diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:11:37 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:11:37 +0000 |
| commit | 461a67fa15370a9ec88f8f8a240bf7c123bb2029 (patch) | |
| tree | 6942083d7d56bba40ec790a453ca58ad3baf6832 /docs/DiagnosticsReference.rst | |
| parent | 75c3240472ba6ac2669ee72ca67eb72d4e2851fc (diff) | |
Vendor import of clang trunk r321017:vendor/clang/clang-trunk-r321017
Notes
Notes:
svn path=/vendor/clang/dist/; revision=326941
svn path=/vendor/clang/clang-trunk-r321017/; revision=326942; tag=vendor/clang/clang-trunk-r321017
Diffstat (limited to 'docs/DiagnosticsReference.rst')
| -rw-r--r-- | docs/DiagnosticsReference.rst | 796 |
1 files changed, 668 insertions, 128 deletions
diff --git a/docs/DiagnosticsReference.rst b/docs/DiagnosticsReference.rst index d8c486fc3b3c..e2b0bd7dd550 100644 --- a/docs/DiagnosticsReference.rst +++ b/docs/DiagnosticsReference.rst @@ -244,6 +244,21 @@ This diagnostic is an error by default, but the flag ``-Wno-address-of-temporary ------------------ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. +-Waligned-allocation-unavailable +-------------------------------- +This diagnostic is an error by default, but the flag ``-Wno-aligned-allocation-unavailable`` can be used to disable the error. + +**Diagnostic text:** + ++--------------------------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:error:`error:` |nbsp| :diagtext:`aligned` |nbsp| |+------------------------+| |nbsp| :diagtext:`function of type '`:placeholder:`B`:diagtext:`' is only available on` |nbsp| :placeholder:`C` |nbsp| :placeholder:`D` |nbsp| :diagtext:`or newer`| +| ||:diagtext:`allocation` || | +| |+------------------------+| | +| ||:diagtext:`deallocation`|| | +| |+------------------------+| | ++--------------------------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wall ----- Some of the diagnostics controlled by this flag are enabled by default. @@ -745,6 +760,11 @@ This diagnostic is enabled by default. +--------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-Wbinary-literal +---------------- +Controls `-Wc++14-binary-literal`_, `-Wc++98-c++11-compat-binary-literal`_, `-Wgnu-binary-literal`_. + + -Wbind-to-temporary-copy ------------------------ Also controls `-Wc++98-compat-bind-to-temporary-copy`_. @@ -972,7 +992,7 @@ Synonym for `-Wc++11-narrowing`_. -------------- Some of the diagnostics controlled by this flag are enabled by default. -Also controls `-Wc++11-compat-deprecated-writable-strings`_, `-Wc++11-compat-reserved-user-defined-literal`_, `-Wc++11-narrowing`_, `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_. +Also controls `-Wc++11-compat-deprecated-writable-strings`_, `-Wc++11-compat-reserved-user-defined-literal`_, `-Wc++11-narrowing`_, `-Wc++98-c++11-c++14-c++17-compat`_, `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_. **Diagnostic text:** @@ -1038,7 +1058,9 @@ This diagnostic is enabled by default. -Wc++11-compat-pedantic ----------------------- -Controls `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_. +Some of the diagnostics controlled by this flag are enabled by default. + +Controls `-Wc++11-compat`_, `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_. -Wc++11-compat-reserved-user-defined-literal @@ -1288,12 +1310,12 @@ Some of the diagnostics controlled by this flag are enabled by default. -Wc++14-compat -------------- -Synonym for `-Wc++98-c++11-c++14-compat`_. +Controls `-Wc++98-c++11-c++14-c++17-compat`_, `-Wc++98-c++11-c++14-compat`_. -Wc++14-compat-pedantic ----------------------- -Synonym for `-Wc++98-c++11-c++14-compat-pedantic`_. +Controls `-Wc++14-compat`_, `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_. -Wc++14-extensions @@ -1349,16 +1371,16 @@ Also controls `-Wc++14-binary-literal`_. +-------------------------------------------------------------------------------+ --Wc++1y-extensions ------------------- -Synonym for `-Wc++14-extensions`_. +-Wc++17-compat +-------------- +Some of the diagnostics controlled by this flag are enabled by default. +Controls `-Wc++17-compat-mangling`_, `-Wc++98-c++11-c++14-c++17-compat`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_. --Wc++1z-compat --------------- -This diagnostic is enabled by default. -Also controls `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_. +-Wc++17-compat-mangling +----------------------- +This diagnostic is enabled by default. **Diagnostic text:** @@ -1367,42 +1389,49 @@ Also controls `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_. +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ --Wc++1z-extensions +-Wc++17-compat-pedantic +----------------------- +Some of the diagnostics controlled by this flag are enabled by default. + +Controls `-Wc++17-compat`_, `-Wc++98-c++11-c++14-c++17-compat-pedantic`_. + + +-Wc++17-extensions ------------------ Some of the diagnostics controlled by this flag are enabled by default. **Diagnostic text:** +------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`constexpr if is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`constexpr if is a C++17 extension`| +------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`'constexpr' on lambda expressions is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`'constexpr' on lambda expressions is a C++17 extension`| +---------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++17 extension`| +---------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`decomposition declarations are a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`decomposition declarations are a C++17 extension`| +---------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`pack fold expression is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`pack fold expression is a C++17 extension`| +--------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is a C++17 extension`| +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++1z feature`| +|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++17 feature`| +----------------------------------------------------------------------------------------+ +----------------------------------------+--------------------+-------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`'`|+------------------+|:diagtext:`' initialization statements are a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`'`|+------------------+|:diagtext:`' initialization statements are a C++17 extension`| | ||:diagtext:`if` || | | |+------------------+| | | ||:diagtext:`switch`|| | @@ -1410,68 +1439,145 @@ Some of the diagnostics controlled by this flag are enabled by default. +----------------------------------------+--------------------+-------------------------------------------------------------+ +-----------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`inline variables are a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`inline variables are a C++17 extension`| +-----------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is a C++17 extension`| +---------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is a C++1z extension; define each namespace separately`| +|:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is a C++17 extension; define each namespace separately`| +-------------------------------------------------------------------------------------------------------------------------+ ++------------------------------------------------------------+---------------------------+-----------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are a C++17 extension`| +| ||:diagtext:`a namespace` || | +| |+-------------------------+| | +| ||:diagtext:`an enumerator`|| | +| |+-------------------------+| | ++------------------------------------------------------------+---------------------------+-----------------------------------------------------+ + +---------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`capture of '\*this' by copy is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`capture of '\*this' by copy is a C++17 extension`| +---------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is a C++17 extension`| +------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is a C++17 extension`| +--------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is a C++17 extension`| +--------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`pack expansion of using declaration is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`pack expansion of using declaration is a C++17 extension`| +-----------------------------------------------------------------------------------------------+ +-Wc++1y-extensions +------------------ +Synonym for `-Wc++14-extensions`_. + + +-Wc++1z-compat +-------------- +Synonym for `-Wc++17-compat`_. + + +-Wc++1z-compat-mangling +----------------------- +Synonym for `-Wc++17-compat-mangling`_. + + +-Wc++1z-extensions +------------------ +Synonym for `-Wc++17-extensions`_. + + +-Wc++2a-compat +-------------- +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is a keyword in C++2a`| ++-------------------------------------------------------------------------------------------+ + + +-Wc++2a-compat-pedantic +----------------------- +Synonym for `-Wc++2a-compat`_. + + +-Wc++2a-extensions +------------------ +Some of the diagnostics controlled by this flag are enabled by default. + +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`default member initializer for bit-field is a C++2a extension`| ++----------------------------------------------------------------------------------------------------+ + ++--------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`explicit capture of 'this' with a capture default of '=' is a C++2a extension`| ++--------------------------------------------------------------------------------------------------------------------+ + ++--------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension`| ++--------------------------------------------------------------------------------------------------------------------------+ + + +-Wc++98-c++11-c++14-c++17-compat +-------------------------------- +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`default member initializer for bit-field is incompatible with C++ standards before C++2a`| ++-------------------------------------------------------------------------------------------------------------------------------+ + ++-----------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`explicit capture of 'this' with a capture default of '=' is incompatible with C++ standards before C++2a`| ++-----------------------------------------------------------------------------------------------------------------------------------------------+ + + +-Wc++98-c++11-c++14-c++17-compat-pedantic +----------------------------------------- +Also controls `-Wc++98-c++11-c++14-c++17-compat`_. + +**Diagnostic text:** + ++-----------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is incompatible with C++ standards before C++2a`| ++-----------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wc++98-c++11-c++14-compat -------------------------- **Diagnostic text:** -+------------------------------------------------------------+---------------------------+--------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are incompatible with C++ standards before C++1z`| -| ||:diagtext:`a namespace` || | -| |+-------------------------+| | -| ||:diagtext:`an enumerator`|| | -| |+-------------------------+| | -+------------------------------------------------------------+---------------------------+--------------------------------------------------------------------------------+ - +---------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`constexpr if is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`constexpr if is incompatible with C++ standards before C++17`| +---------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`constexpr on lambda expressions is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`constexpr on lambda expressions is incompatible with C++ standards before C++17`| +----------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`decomposition declarations are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`decomposition declarations are incompatible with C++ standards before C++17`| +------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`pack fold expression is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`pack fold expression is incompatible with C++ standards before C++17`| +-----------------------------------------------------------------------------------------------------------+ +---------------------------+--------------------+----------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| |+------------------+| |nbsp| :diagtext:`initialization statements are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| |+------------------+| |nbsp| :diagtext:`initialization statements are incompatible with C++ standards before C++17`| | ||:diagtext:`if` || | | |+------------------+| | | ||:diagtext:`switch`|| | @@ -1479,47 +1585,47 @@ Some of the diagnostics controlled by this flag are enabled by default. +---------------------------+--------------------+----------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`inline variables are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`inline variables are incompatible with C++ standards before C++17`| +--------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is incompatible with C++ standards before C++17`| +------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`by value capture of '\*this' is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`by value capture of '\*this' is incompatible with C++ standards before C++17`| +-------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is incompatible with C++ standards before C++17`| +---------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`non-type template parameters declared with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`non-type template parameters declared with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`are incompatible with C++ standards before C++17`| +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is incompatible with C++ standards before C++17`| +-----------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`unicode literals are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`unicode literals are incompatible with C++ standards before C++17`| +--------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is incompatible with C++ standards before C++17`| +-----------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is incompatible with C++ standards before C++17`| +------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`pack expansion using declaration is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`pack expansion using declaration is incompatible with C++ standards before C++17`| +-----------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is incompatible with C++ standards before C++17`| +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -1529,8 +1635,16 @@ Also controls `-Wc++98-c++11-c++14-compat`_. **Diagnostic text:** ++------------------------------------------------------------+---------------------------+--------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are incompatible with C++ standards before C++17`| +| ||:diagtext:`a namespace` || | +| |+-------------------------+| | +| ||:diagtext:`an enumerator`|| | +| |+-------------------------+| | ++------------------------------------------------------------+---------------------------+--------------------------------------------------------------------------------+ + +---------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are incompatible with C++ standards before C++17`| +---------------------------------------------------------------------------------------------------------------------+ @@ -1587,10 +1701,8 @@ Also controls `-Wc++98-c++11-c++14-compat`_. +----------------------------------------------------------------------------------------------------------+ --Wc++98-c++11-compat-pedantic ------------------------------ -Also controls `-Wc++98-c++11-compat`_. - +-Wc++98-c++11-compat-binary-literal +----------------------------------- **Diagnostic text:** +---------------------------------------------------------------------------------------------------------------+ @@ -1598,9 +1710,14 @@ Also controls `-Wc++98-c++11-compat`_. +---------------------------------------------------------------------------------------------------------------+ +-Wc++98-c++11-compat-pedantic +----------------------------- +Controls `-Wc++98-c++11-compat`_, `-Wc++98-c++11-compat-binary-literal`_. + + -Wc++98-compat -------------- -Also controls `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_, `-Wc++98-compat-local-type-template-args`_, `-Wc++98-compat-unnamed-type-template-args`_. +Also controls `-Wc++98-c++11-c++14-c++17-compat`_, `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_, `-Wc++98-compat-local-type-template-args`_, `-Wc++98-compat-unnamed-type-template-args`_. **Diagnostic text:** @@ -1941,7 +2058,7 @@ Also controls `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_, `-Wc++98-c -Wc++98-compat-pedantic ----------------------- -Also controls `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_, `-Wc++98-compat`_, `-Wc++98-compat-bind-to-temporary-copy`_. +Also controls `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_, `-Wc++98-compat`_, `-Wc++98-compat-bind-to-temporary-copy`_. **Diagnostic text:** @@ -2435,6 +2552,11 @@ Synonym for `-Wnull-conversion`_. -Wcoroutine ----------- +Synonym for `-Wcoroutine-missing-unhandled-exception`_. + + +-Wcoroutine-missing-unhandled-exception +--------------------------------------- This diagnostic is enabled by default. **Diagnostic text:** @@ -2453,6 +2575,11 @@ This diagnostic is enabled by default. +--------------------------------------------------------------------------------------------------+ +-Wcpp +----- +Synonym for `-W#warnings`_. + + -Wcstring-format-directive -------------------------- **Diagnostic text:** @@ -2716,6 +2843,10 @@ This diagnostic is enabled by default. **Diagnostic text:** ++--------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`specifying 'uuid' as an ATL attribute is deprecated; use \_\_declspec instead`| ++--------------------------------------------------------------------------------------------------------------------+ + +-----------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`use of C-style parameters in Objective-C method declarations is deprecated`| +-----------------------------------------------------------------------------------------------------------------+ @@ -2751,7 +2882,7 @@ This diagnostic is enabled by default. **Diagnostic text:** +----------------------------------------------------------------------+----------------------+ -|:warning:`warning:` |nbsp| :diagtext:`Implementing deprecated` |nbsp| |+--------------------+| +|:warning:`warning:` |nbsp| :diagtext:`implementing deprecated` |nbsp| |+--------------------+| | ||:diagtext:`method` || | |+--------------------+| | ||:diagtext:`class` || @@ -2760,6 +2891,10 @@ This diagnostic is enabled by default. | |+--------------------+| +----------------------------------------------------------------------+----------------------+ ++----------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`implementing unavailable method`| ++----------------------------------------------------------------------+ + -Wdeprecated-increment-bool --------------------------- @@ -2768,7 +2903,7 @@ This diagnostic is enabled by default. **Diagnostic text:** +---------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`incrementing expression of type bool is deprecated and incompatible with C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`incrementing expression of type bool is deprecated and incompatible with C++17`| +---------------------------------------------------------------------------------------------------------------------+ @@ -2818,7 +2953,7 @@ This diagnostic is enabled by default. **Diagnostic text:** +-------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`'register' storage class specifier is deprecated and incompatible with C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`'register' storage class specifier is deprecated and incompatible with C++17`| +-------------------------------------------------------------------------------------------------------------------+ @@ -3227,7 +3362,7 @@ Also controls `-Wdeprecated-dynamic-exception-spec`_. **Diagnostic text:** +--------------------------------------------------------------------------------------------+ -|:error:`error:` |nbsp| :diagtext:`ISO C++1z does not allow dynamic exception specifications`| +|:error:`error:` |nbsp| :diagtext:`ISO C++17 does not allow dynamic exception specifications`| +--------------------------------------------------------------------------------------------+ @@ -3279,7 +3414,7 @@ This diagnostic is enabled by default. **Diagnostic text:** +-------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`ISO C++1z does not allow a decomposition group to be empty`| +|:warning:`warning:` |nbsp| :diagtext:`ISO C++17 does not allow a decomposition group to be empty`| +-------------------------------------------------------------------------------------------------+ @@ -3312,6 +3447,8 @@ Synonym for `-Wextra-tokens`_. -------------- This diagnostic is enabled by default. +Also controls `-Wenum-compare-switch`_. + **Diagnostic text:** +------------------------------------------------------------------------------------------------+ @@ -3319,6 +3456,17 @@ This diagnostic is enabled by default. +------------------------------------------------------------------------------------------------+ +-Wenum-compare-switch +--------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`comparison of two values with different enumeration types in switch statement`| ++--------------------------------------------------------------------------------------------------------------------+ + + -Wenum-conversion ----------------- This diagnostic is enabled by default. @@ -3363,6 +3511,10 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`exception of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will be caught by earlier handler`| +-------------------------------------------------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has a non-throwing exception specification but can still throw`| ++-----------------------------------------------------------------------------------------------------------------------------+ + -Wexit-time-destructors ----------------------- @@ -3451,7 +3603,7 @@ This diagnostic is enabled by default. ------- Some of the diagnostics controlled by this flag are enabled by default. -Also controls `-Wignored-qualifiers`_, `-Winitializer-overrides`_, `-Wmissing-field-initializers`_, `-Wmissing-method-return-type`_, `-Wsemicolon-before-method-body`_, `-Wsign-compare`_, `-Wunused-parameter`_. +Also controls `-Wignored-qualifiers`_, `-Winitializer-overrides`_, `-Wmissing-field-initializers`_, `-Wmissing-method-return-type`_, `-Wnull-pointer-arithmetic`_, `-Wsemicolon-before-method-body`_, `-Wsign-compare`_, `-Wunused-parameter`_. **Diagnostic text:** @@ -4317,6 +4469,10 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored`| +--------------------------------------------------------------------------------+ ++--------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored for field of type` |nbsp| :placeholder:`B`| ++--------------------------------------------------------------------------------------------------------------------------+ + +---------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored on inline function`| +---------------------------------------------------------------------------------------------------+ @@ -4453,6 +4609,8 @@ This diagnostic is enabled by default. | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`methods and properties` || | |+----------------------------------------------------------------------------------------------------------------+| +| ||:diagtext:`functions, methods, and properties` || +| |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`struct or union` || | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`struct, union or class` || @@ -4645,9 +4803,13 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`\_\_declspec attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not supported`| +-------------------------------------------------------------------------------------------------------------------------+ -+-------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`Ignoring unsupported '`:placeholder:`A`:diagtext:`' in the target attribute string`| -+-------------------------------------------------------------------------------------------------------------------------+ ++-------------------------------------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignoring` |nbsp| |+-----------------------+|+--------------------------------+| |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' in the target attribute string`| +| ||:diagtext:`unsupported`||| || | +| |+-----------------------+|+--------------------------------+| | +| ||:diagtext:`duplicate` ||| |nbsp| :diagtext:`architecture`|| | +| |+-----------------------+|+--------------------------------+| | ++-------------------------------------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------+ -Wignored-optimization-argument @@ -4970,9 +5132,13 @@ Some of the diagnostics controlled by this flag are enabled by default. **Diagnostic text:** -+------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`implicit declaration of function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is invalid in C99`| -+------------------------------------------------------------------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------------------------------------------------------------+--------------------+ +|:warning:`warning:` |nbsp| :diagtext:`implicit declaration of function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is invalid in` |nbsp| |+------------------+| +| ||:diagtext:`C99` || +| |+------------------+| +| ||:diagtext:`OpenCL`|| +| |+------------------+| ++----------------------------------------------------------------------------------------------------------------------------------------+--------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`implicitly declaring library function '`:placeholder:`A`:diagtext:`' with type` |nbsp| :placeholder:`B`| @@ -5250,6 +5416,10 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`missing submodule '`:placeholder:`A`:diagtext:`'`| +---------------------------------------------------------------------------------------+ ++--------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`umbrella directory '`:placeholder:`A`:diagtext:`' not found`| ++--------------------------------------------------------------------------------------------------+ + +-------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`umbrella header for module '`:placeholder:`A`:diagtext:`' does not include header '`:placeholder:`B`:diagtext:`'`| +-------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -5299,7 +5469,7 @@ Also controls `-Wdeprecated-increment-bool`_. **Diagnostic text:** +------------------------------------------------------------------------------------------------+ -|:error:`error:` |nbsp| :diagtext:`ISO C++1z does not allow incrementing expression of type bool`| +|:error:`error:` |nbsp| :diagtext:`ISO C++17 does not allow incrementing expression of type bool`| +------------------------------------------------------------------------------------------------+ @@ -5472,6 +5642,10 @@ Also controls `-Wignored-optimization-argument`_. **Diagnostic text:** ++-----------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`the object size sanitizer has no effect at -O0, but is explicitly enabled:` |nbsp| :placeholder:`A`| ++-----------------------------------------------------------------------------------------------------------------------------------------+ + +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`optimization level '`:placeholder:`A`:diagtext:`' is not supported; using '`:placeholder:`B`:placeholder:`C`:diagtext:`' instead`| +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -5522,6 +5696,17 @@ This diagnostic is enabled by default. +--------------------------------------------------------------------------------------------------------------+ +-Winvalid-ios-deployment-target +------------------------------- +This diagnostic is an error by default, but the flag ``-Wno-invalid-ios-deployment-target`` can be used to disable the error. + +**Diagnostic text:** + ++------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:error:`error:` |nbsp| :diagtext:`invalid iOS deployment version '`:placeholder:`A`:diagtext:`', iOS 10 is the maximum deployment target for 32-bit targets`| ++------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Winvalid-noreturn ------------------ This diagnostic is enabled by default. @@ -6013,6 +6198,8 @@ This diagnostic is enabled by default. -Wmicrosoft-enum-forward-reference ---------------------------------- +This diagnostic is enabled by default. + **Diagnostic text:** +---------------------------------------------------------------------------------------------------+ @@ -6022,8 +6209,6 @@ This diagnostic is enabled by default. -Wmicrosoft-enum-value ---------------------- -This diagnostic is enabled by default. - **Diagnostic text:** +---------------------------------------------------------------------------------------------------------------------------+ @@ -6433,6 +6618,17 @@ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. +--------------------------------------------------------------------------------------------+ +-Wmissing-noescape +------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`parameter of overriding method should be annotated with \_\_attribute\_\_((noescape))`| ++----------------------------------------------------------------------------------------------------------------------------+ + + -Wmissing-noreturn ------------------ **Diagnostic text:** @@ -6596,7 +6792,7 @@ This diagnostic is an error by default, but the flag ``-Wno-modules-import-neste ------ Some of the diagnostics controlled by this flag are enabled by default. -Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wuser-defined-warnings`_, `-Wvolatile-register-var`_. +Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-flexible-array`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wuser-defined-warnings`_, `-Wvolatile-register-var`_. -Wmove @@ -6692,6 +6888,11 @@ This diagnostic is enabled by default. +----------------------------------------------------------------+ +-Wnoexcept-type +--------------- +Synonym for `-Wc++17-compat-mangling`_. + + -Wnon-gcc --------- Some of the diagnostics controlled by this flag are enabled by default. @@ -6832,6 +7033,32 @@ This diagnostic is enabled by default. +---------------------------------------------------------------------------------------------------------------------+ +-Wnsconsumed-mismatch +--------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++---------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`overriding method has mismatched ns\_consumed attribute on its parameter`| ++---------------------------------------------------------------------------------------------------------------+ + + +-Wnsreturns-mismatch +-------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-------------------------------------------------------------------------------------+---------------------------+------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`overriding method has mismatched ns\_returns\_`|+-------------------------+| |nbsp| :diagtext:`attributes`| +| ||:diagtext:`not\_retained`|| | +| |+-------------------------+| | +| ||:diagtext:`retained` || | +| |+-------------------------+| | ++-------------------------------------------------------------------------------------+---------------------------+------------------------------+ + + -Wnull-arithmetic ----------------- This diagnostic is enabled by default. @@ -6904,6 +7131,23 @@ This diagnostic is enabled by default. +---------------------------------------------------------------------------------------------------------+ +-Wnull-pointer-arithmetic +------------------------- +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension`| ++--------------------------------------------------------------------------------------------------------------------------------+ + ++-------------------------------------------------------------------------------------------------------------+----------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`performing pointer arithmetic on a null pointer has undefined behavior`|+--------------------------------------------+| +| || || +| |+--------------------------------------------+| +| || |nbsp| :diagtext:`if the offset is nonzero`|| +| |+--------------------------------------------+| ++-------------------------------------------------------------------------------------------------------------+----------------------------------------------+ + + -Wnullability ------------- This diagnostic is enabled by default. @@ -7077,6 +7321,21 @@ This diagnostic is enabled by default. +----------------------------------------------------------------------------------------------------------+ +-Wobjc-flexible-array +--------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`can overwrite instance variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`with variable sized type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`in superclass` |nbsp| :placeholder:`D`| ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + ++---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with variable sized type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is not visible to subclasses and can conflict with their instance variables`| ++---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wobjc-forward-class-redefinition --------------------------------- This diagnostic is enabled by default. @@ -7152,6 +7411,15 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------------------+ +-Wobjc-messaging-id +------------------- +**Diagnostic text:** + ++---------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`messaging unqualified id`| ++---------------------------------------------------------------+ + + -Wobjc-method-access -------------------- This diagnostic is enabled by default. @@ -7515,10 +7783,26 @@ This diagnostic is enabled by default. **Diagnostic text:** ++------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`option '-ffine-grained-bitfield-accesses' cannot be enabled together with a sanitizer; flag ignored`| ++------------------------------------------------------------------------------------------------------------------------------------------+ + +----------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`option '`:placeholder:`A`:diagtext:`' was ignored by the PS4 toolchain, using '-fPIC'`| +----------------------------------------------------------------------------------------------------------------------------+ ++-------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabicalls' option as it cannot be used with non position-independent code and the N64 ABI`| ++-------------------------------------------------------------------------------------------------------------------------------------------+ + ++-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mlong-calls' option as it is not currently supported with` |nbsp| |+-----------------------------------------+|:diagtext:`-mabicalls`| +| || || | +| |+-----------------------------------------+| | +| ||:diagtext:`the implicit usage of` |nbsp| || | +| |+-----------------------------------------+| | ++-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+ + -Wout-of-line-declaration ------------------------- @@ -7531,6 +7815,21 @@ This diagnostic is an error by default, but the flag ``-Wno-out-of-line-declarat +-------------------------------------------------------------------------------------------+ +-Wout-of-scope-function +----------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`use of out-of-scope declaration of` |nbsp| :placeholder:`A`|+-------------------------------------------------------------------------------------+| +| || || +| |+-------------------------------------------------------------------------------------+| +| || |nbsp| :diagtext:`whose type is not compatible with that of an implicit declaration`|| +| |+-------------------------------------------------------------------------------------+| ++-------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------+ + + -Wover-aligned -------------- **Diagnostic text:** @@ -7776,7 +8075,7 @@ This diagnostic is enabled by default. -Wpedantic ---------- -Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-literal`_, `-Wc11-extensions`_, `-Wcomplex-component-init`_, `-Wdeclaration-after-statement`_, `-Wdollar-in-identifier-extension`_, `-Wembedded-directive`_, `-Wempty-translation-unit`_, `-Wextended-offsetof`_, `-Wflexible-array-extensions`_, `-Wformat-pedantic`_, `-Wfour-char-constants`_, `-Wgnu-anonymous-struct`_, `-Wgnu-auto-type`_, `-Wgnu-binary-literal`_, `-Wgnu-case-range`_, `-Wgnu-complex-integer`_, `-Wgnu-compound-literal-initializer`_, `-Wgnu-conditional-omitted-operand`_, `-Wgnu-empty-initializer`_, `-Wgnu-empty-struct`_, `-Wgnu-flexible-array-initializer`_, `-Wgnu-flexible-array-union-member`_, `-Wgnu-folding-constant`_, `-Wgnu-imaginary-constant`_, `-Wgnu-include-next`_, `-Wgnu-label-as-value`_, `-Wgnu-redeclared-enum`_, `-Wgnu-statement-expression`_, `-Wgnu-union-cast`_, `-Wgnu-zero-line-directive`_, `-Wgnu-zero-variadic-macro-arguments`_, `-Wimport-preprocessor-directive-pedantic`_, `-Wkeyword-macro`_, `-Wlanguage-extension-token`_, `-Wlong-long`_, `-Wmicrosoft-charize`_, `-Wmicrosoft-comment-paste`_, `-Wmicrosoft-cpp-macro`_, `-Wmicrosoft-end-of-file`_, `-Wmicrosoft-enum-forward-reference`_, `-Wmicrosoft-fixed-enum`_, `-Wmicrosoft-flexible-array`_, `-Wmicrosoft-redeclare-static`_, `-Wnested-anon-types`_, `-Wnullability-extension`_, `-Woverlength-strings`_, `-Wretained-language-linkage`_, `-Wvariadic-macros`_, `-Wvla-extension`_, `-Wzero-length-array`_. +Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-literal`_, `-Wc11-extensions`_, `-Wcomplex-component-init`_, `-Wdeclaration-after-statement`_, `-Wdollar-in-identifier-extension`_, `-Wembedded-directive`_, `-Wempty-translation-unit`_, `-Wextended-offsetof`_, `-Wflexible-array-extensions`_, `-Wformat-pedantic`_, `-Wfour-char-constants`_, `-Wgnu-anonymous-struct`_, `-Wgnu-auto-type`_, `-Wgnu-binary-literal`_, `-Wgnu-case-range`_, `-Wgnu-complex-integer`_, `-Wgnu-compound-literal-initializer`_, `-Wgnu-conditional-omitted-operand`_, `-Wgnu-empty-initializer`_, `-Wgnu-empty-struct`_, `-Wgnu-flexible-array-initializer`_, `-Wgnu-flexible-array-union-member`_, `-Wgnu-folding-constant`_, `-Wgnu-imaginary-constant`_, `-Wgnu-include-next`_, `-Wgnu-label-as-value`_, `-Wgnu-redeclared-enum`_, `-Wgnu-statement-expression`_, `-Wgnu-union-cast`_, `-Wgnu-zero-line-directive`_, `-Wgnu-zero-variadic-macro-arguments`_, `-Wimport-preprocessor-directive-pedantic`_, `-Wkeyword-macro`_, `-Wlanguage-extension-token`_, `-Wlong-long`_, `-Wmicrosoft-charize`_, `-Wmicrosoft-comment-paste`_, `-Wmicrosoft-cpp-macro`_, `-Wmicrosoft-end-of-file`_, `-Wmicrosoft-enum-value`_, `-Wmicrosoft-fixed-enum`_, `-Wmicrosoft-flexible-array`_, `-Wmicrosoft-redeclare-static`_, `-Wnested-anon-types`_, `-Wnullability-extension`_, `-Woverlength-strings`_, `-Wretained-language-linkage`_, `-Wundefined-internal-type`_, `-Wvla-extension`_, `-Wzero-length-array`_. **Diagnostic text:** @@ -7842,6 +8141,10 @@ Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-liter |:warning:`warning:` |nbsp| :diagtext:`parameter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`was not declared, defaulting to type 'int'`| +--------------------------------------------------------------------------------------------------------------------------------------+ ++--------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension`| ++--------------------------------------------------------------------------------------------------------------------------+ + +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`qualifier in explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires a template-id (a typedef is not permitted)`| +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -7995,7 +8298,7 @@ Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-liter +---------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++1z extension`| +|:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++17 extension`| +---------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+ @@ -8080,6 +8383,14 @@ Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-liter |:warning:`warning:` |nbsp| :diagtext:`exception specification of '...' is a Microsoft extension`| +------------------------------------------------------------------------------------------------+ ++------------------------------------------------------------+---------------------------+-----------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are a C++17 extension`| +| ||:diagtext:`a namespace` || | +| |+-------------------------+| | +| ||:diagtext:`an enumerator`|| | +| |+-------------------------+| | ++------------------------------------------------------------+---------------------------+-----------------------------------------------------+ + +-----------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`extern templates are a C++11 extension`| +-----------------------------------------------------------------------------+ @@ -8105,7 +8416,7 @@ Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-liter +---------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++1z feature`| +|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++17 feature`| +----------------------------------------------------------------------------------------+ +---------------------------------------------------------------------+ @@ -8124,6 +8435,14 @@ Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-liter |:warning:`warning:` |nbsp| :diagtext:`\_\_VA\_ARGS\_\_ can only appear in the expansion of a C99 variadic macro`| +----------------------------------------------------------------------------------------------------------------+ ++------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`variadic macros are a C99 feature`| ++------------------------------------------------------------------------+ + ++--------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`named variadic macros are a GNU extension`| ++--------------------------------------------------------------------------------+ + +------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`empty macro arguments are a C99 feature`| +------------------------------------------------------------------------------+ @@ -8288,6 +8607,17 @@ This diagnostic is enabled by default. +----------------------------------------------------------------------------------------------------------------------------------+ +-Wpragma-clang-attribute +------------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`unused attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in '#pragma clang attribute push' region`| ++-------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wpragma-once-outside-header ---------------------------- This diagnostic is enabled by default. @@ -8299,6 +8629,32 @@ This diagnostic is enabled by default. +----------------------------------------------------------------+ +-Wpragma-pack +------------- +Some of the diagnostics controlled by this flag are enabled by default. + +Also controls `-Wpragma-pack-suspicious-include`_. + +**Diagnostic text:** + ++---------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`the current #pragma pack aligment value is modified in the included file`| ++---------------------------------------------------------------------------------------------------------------+ + ++---------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`unterminated '#pragma pack (push, ...)' at end of file`| ++---------------------------------------------------------------------------------------------+ + + +-Wpragma-pack-suspicious-include +-------------------------------- +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`non-default #pragma pack value changes the alignment of struct or union members in the included file`| ++-------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wpragma-system-header-outside-header ------------------------------------- This diagnostic is enabled by default. @@ -8314,7 +8670,7 @@ This diagnostic is enabled by default. --------- Some of the diagnostics controlled by this flag are enabled by default. -Also controls `-Wignored-pragmas`_, `-Wunknown-pragmas`_. +Also controls `-Wignored-pragmas`_, `-Wpragma-clang-attribute`_, `-Wpragma-pack`_, `-Wunknown-pragmas`_. **Diagnostic text:** @@ -8370,6 +8726,23 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`top-level module '`:placeholder:`A`:diagtext:`' in private module map, expected a submodule of '`:placeholder:`B`:diagtext:`'`| +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`module '`:placeholder:`A`:diagtext:`' already re-exported as '`:placeholder:`B`:diagtext:`'`| ++----------------------------------------------------------------------------------------------------------------------------------+ + + +-Wprofile-instr-missing +----------------------- +**Diagnostic text:** + ++-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`profile data may be incomplete: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`no data`| +| || || ||:diagtext:`:has` || | +| |+-------------+| |+-----------------+| | +| ||:diagtext:`s`|| ||:diagtext:`:have`|| | +| |+-------------+| |+-----------------+| | ++-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------+ + -Wprofile-instr-out-of-date --------------------------- @@ -8377,13 +8750,13 @@ This diagnostic is enabled by default. **Diagnostic text:** -+------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------------------------------------------+-------------------+--------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`profile data may be out of date: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`no data and` |nbsp| :placeholder:`C` |nbsp| |+-----------------+| |nbsp| :diagtext:`mismatched data that will be ignored`| -| || || ||:diagtext:`:has` || ||:diagtext:`:has` || | -| |+-------------+| |+-----------------+| |+-----------------+| | -| ||:diagtext:`s`|| ||:diagtext:`:have`|| ||:diagtext:`:have`|| | -| |+-------------+| |+-----------------+| |+-----------------+| | -+------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------------------------------------------+-------------------+--------------------------------------------------------+ ++------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+--------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`profile data may be out of date: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`mismatched data that will be ignored`| +| || || ||:diagtext:`:has` || | +| |+-------------+| |+-----------------+| | +| ||:diagtext:`s`|| ||:diagtext:`:have`|| | +| |+-------------+| |+-----------------+| | ++------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+--------------------------------------------------------+ -Wprofile-instr-unprofiled @@ -8448,9 +8821,29 @@ This diagnostic is enabled by default. **Diagnostic text:** -+-----------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`property of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`was selected for synthesis`| -+-----------------------------------------------------------------------------------------------------------------------------+ ++-------------------------------------------------------+----------------------------------------------------------------+----------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`property` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`was selected for synthesis`| +| ||+-------------------------------------------+ || | +| |||:diagtext:`of type` |nbsp| :placeholder:`B`| || | +| ||+-------------------------------------------+ || | +| |+--------------------------------------------------------------+| | +| ||+---------------------------------------------------------+ || | +| |||:diagtext:`with attribute '`:placeholder:`B`:diagtext:`'`| || | +| ||+---------------------------------------------------------+ || | +| |+--------------------------------------------------------------+| | +| ||+------------------------------------------------------------+|| | +| |||:diagtext:`without attribute '`:placeholder:`B`:diagtext:`'`||| | +| ||+------------------------------------------------------------+|| | +| |+--------------------------------------------------------------+| | +| ||+-----------------------------------------------+ || | +| |||:diagtext:`with getter` |nbsp| :placeholder:`B`| || | +| ||+-----------------------------------------------+ || | +| |+--------------------------------------------------------------+| | +| ||+-----------------------------------------------+ || | +| |||:diagtext:`with setter` |nbsp| :placeholder:`B`| || | +| ||+-----------------------------------------------+ || | +| |+--------------------------------------------------------------+| | ++-------------------------------------------------------+----------------------------------------------------------------+----------------------------------------------+ -Wqualified-void-return-type @@ -8542,6 +8935,15 @@ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. +-------------------------------------------------------------------------+ +-Wredundant-parens +------------------ +**Diagnostic text:** + ++-----------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`redundant parentheses surrounding declarator`| ++-----------------------------------------------------------------------------------+ + + -Wregister ---------- This diagnostic is enabled by default. @@ -8551,7 +8953,7 @@ Also controls `-Wdeprecated-register`_. **Diagnostic text:** +----------------------------------------------------------------------------------------------+ -|:error:`error:` |nbsp| :diagtext:`ISO C++1z does not allow 'register' storage class specifier`| +|:error:`error:` |nbsp| :diagtext:`ISO C++17 does not allow 'register' storage class specifier`| +----------------------------------------------------------------------------------------------+ @@ -8695,9 +9097,9 @@ Also controls `-Wreturn-type-c-linkage`_. | |+--------------------+| | +---------------------------------------------------+----------------------+-----------------------------------------------------------------+ -+--------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void coroutine`| -+--------------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`control reaches end of coroutine; which is undefined behavior because the promise type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not declare 'return\_void()'`| ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void function`| @@ -8707,9 +9109,9 @@ Also controls `-Wreturn-type-c-linkage`_. |:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void lambda`| +-----------------------------------------------------------------------------+ -+----------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`control may reach end of non-void coroutine`| -+----------------------------------------------------------------------------------+ ++------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`control may reach end of coroutine; which is undefined behavior because the promise type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not declare 'return\_void()'`| ++------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`control may reach end of non-void function`| @@ -8789,6 +9191,10 @@ This diagnostic is enabled by default. **Diagnostic text:** ++--------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`section attribute is specified on redeclared variable`| ++--------------------------------------------------------------------------------------------+ + +----------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`section does not match previous declaration`| +----------------------------------------------------------------------------------+ @@ -9370,6 +9776,8 @@ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. |:warning:`warning:` |nbsp| :diagtext:`this` |nbsp| |+------------------------------------------------------------+| |nbsp| :diagtext:`a prototype`| | ||:diagtext:`function declaration is not` || | | |+------------------------------------------------------------+| | +| ||:diagtext:`block declaration is not` || | +| |+------------------------------------------------------------+| | | ||:diagtext:`old-style function definition is not preceded by`|| | | |+------------------------------------------------------------+| | +---------------------------------------------------+--------------------------------------------------------------+-------------------------------+ @@ -9383,6 +9791,8 @@ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. |:warning:`warning:` |nbsp| :diagtext:`this` |nbsp| |+------------------------------------------------------------+| |nbsp| :diagtext:`a prototype`| | ||:diagtext:`function declaration is not` || | | |+------------------------------------------------------------+| | +| ||:diagtext:`block declaration is not` || | +| |+------------------------------------------------------------+| | | ||:diagtext:`old-style function definition is not preceded by`|| | | |+------------------------------------------------------------+| | +---------------------------------------------------+--------------------------------------------------------------+-------------------------------+ @@ -9576,7 +9986,7 @@ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. ---------------------- Some of the diagnostics controlled by this flag are enabled by default. -Also controls `-Wtautological-constant-out-of-range-compare`_, `-Wtautological-overlap-compare`_, `-Wtautological-pointer-compare`_, `-Wtautological-undefined-compare`_. +Also controls `-Wtautological-constant-compare`_, `-Wtautological-overlap-compare`_, `-Wtautological-pointer-compare`_, `-Wtautological-undefined-compare`_. **Diagnostic text:** @@ -9598,21 +10008,22 @@ Also controls `-Wtautological-constant-out-of-range-compare`_, `-Wtautological-o | |+-----------------+| +-------------------------------------------------------------------------------------+-------------------+ -+-------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`comparison of unsigned`|+------------------------+| |nbsp| :diagtext:`expression` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is always` |nbsp| :placeholder:`B`| -| || || | -| |+------------------------+| | -| || |nbsp| :diagtext:`enum`|| | -| |+------------------------+| | -+-------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------------------------------------------+ -+--------------------------------------------------------------------------------------------------------+--------------------------+----------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`unsigned`|+------------------------+| |nbsp| :diagtext:`expression is always` |nbsp| :placeholder:`B`| -| || || | -| |+------------------------+| | -| || |nbsp| :diagtext:`enum`|| | -| |+------------------------+| | -+--------------------------------------------------------------------------------------------------------+--------------------------+----------------------------------------------------------------+ +-Wtautological-constant-compare +------------------------------- +This diagnostic is enabled by default. + +Also controls `-Wtautological-constant-out-of-range-compare`_, `-Wtautological-unsigned-enum-zero-compare`_, `-Wtautological-unsigned-zero-compare`_. + +**Diagnostic text:** + ++---------------------------------------------------------+------------------+--------------------------------+------------------+-------------------------------------+-------------------+ +|:warning:`warning:` |nbsp| :diagtext:`comparison` |nbsp| |+----------------+| |nbsp| :placeholder:`C` |nbsp| |+----------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| +| ||:placeholder:`D`|| ||:placeholder:`B`|| ||:diagtext:`false`|| +| |+----------------+| |+----------------+| |+-----------------+| +| ||:placeholder:`B`|| ||:placeholder:`D`|| ||:diagtext:`true` || +| |+----------------+| |+----------------+| |+-----------------+| ++---------------------------------------------------------+------------------+--------------------------------+------------------+-------------------------------------+-------------------+ -Wtautological-constant-out-of-range-compare @@ -9695,6 +10106,36 @@ This diagnostic is enabled by default. +------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+ +-Wtautological-unsigned-enum-zero-compare +----------------------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-------------------------------------+-------------------+ +|:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+------------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| +| ||:placeholder:`D` || ||:diagtext:`unsigned enum expression`|| ||:diagtext:`false`|| +| |+------------------------------------+| |+------------------------------------+| |+-----------------+| +| ||:diagtext:`unsigned enum expression`|| ||:placeholder:`D` || ||:diagtext:`true` || +| |+------------------------------------+| |+------------------------------------+| |+-----------------+| ++------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-------------------------------------+-------------------+ + + +-Wtautological-unsigned-zero-compare +------------------------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-------------------------------------+-------------------+ +|:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+-------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| +| ||:placeholder:`D` || ||:diagtext:`unsigned expression`|| ||:diagtext:`false`|| +| |+-------------------------------+| |+-------------------------------+| |+-----------------+| +| ||:diagtext:`unsigned expression`|| ||:placeholder:`D` || ||:diagtext:`true` || +| |+-------------------------------+| |+-------------------------------+| |+-----------------+| ++------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-------------------------------------+-------------------+ + + -Wtentative-definition-incomplete-type -------------------------------------- This diagnostic is enabled by default. @@ -10110,6 +10551,19 @@ This diagnostic is enabled by default. +---------------------------+----------------------+-----------------------------------------------------------------------------------+ +-Wundefined-internal-type +------------------------- +**Diagnostic text:** + ++---------------------------------------------------------------------------------------------------------+----------------------+----------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ISO C++ requires a definition in this translation unit for` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`because its type does not have linkage`| +| ||:diagtext:`function`|| | +| |+--------------------+| | +| ||:diagtext:`variable`|| | +| |+--------------------+| | ++---------------------------------------------------------------------------------------------------------+----------------------+----------------------------------------------------------------------------------+ + + -Wundefined-reinterpret-cast ---------------------------- **Diagnostic text:** @@ -10149,19 +10603,22 @@ Also controls `-Wpotentially-evaluated-expression`_. -Wunguarded-availability ------------------------ +Some of the diagnostics controlled by this flag are enabled by default. + +Also controls `-Wunguarded-availability-new`_. + **Diagnostic text:** -+----------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is only available conditionally`| -+----------------------------------------------------------------------------------------------+ ++---------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is only available on` |nbsp| :placeholder:`B` |nbsp| :placeholder:`C` |nbsp| :diagtext:`or newer`| ++---------------------------------------------------------------------------------------------------------------------------------------------------------------+ -+------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may be partial because the receiver type is unknown`| -+------------------------------------------------------------------------------------------------------------------+ -+--------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is partial:` |nbsp| :placeholder:`B`| -+--------------------------------------------------------------------------------------------------+ +-Wunguarded-availability-new +---------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** +---------------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is only available on` |nbsp| :placeholder:`B` |nbsp| :placeholder:`C` |nbsp| :diagtext:`or newer`| @@ -10314,10 +10771,6 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`unexpected token in pragma diagnostic`| +----------------------------------------------------------------------------+ -+----------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`unknown warning group '`:placeholder:`A`:diagtext:`', ignored`| -+----------------------------------------------------------------------------------------------------+ - +-------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`unknown pragma ignored`| +-------------------------------------------------------------+ @@ -10376,6 +10829,10 @@ This diagnostic is enabled by default. **Diagnostic text:** ++----------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`unknown warning group '`:placeholder:`A`:diagtext:`', ignored`| ++----------------------------------------------------------------------------------------------------+ + +------------------------------------------------------+---------------------+---------------------------------------------------------+--------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`unknown` |nbsp| |+-------------------+| |nbsp| :diagtext:`option '`:placeholder:`B`:diagtext:`'`|+------------------------------------------------------------+| | ||:diagtext:`warning`|| || || @@ -10488,6 +10945,36 @@ This diagnostic is enabled by default. +-----------------------------------------------------------------------------------------------------+ +-Wunsupported-abs +----------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-----------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabs=2008' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`| ++-----------------------------------------------------------------------------------------------------------------------------------------------+ + ++-------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabs=legacy' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`| ++-------------------------------------------------------------------------------------------------------------------------------------------------+ + + +-Wunsupported-availability-guard +-------------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++---------------------------+------------------------------------+--------------------------------------------------------------+------------------------------------+---------------------+ +|:warning:`warning:` |nbsp| |+----------------------------------+| |nbsp| :diagtext:`does not guard availability here; use if (`|+----------------------------------+|:diagtext:`) instead`| +| ||:diagtext:`@available` || ||:diagtext:`@available` || | +| |+----------------------------------+| |+----------------------------------+| | +| ||:diagtext:`\_\_builtin\_available`|| ||:diagtext:`\_\_builtin\_available`|| | +| |+----------------------------------+| |+----------------------------------+| | ++---------------------------+------------------------------------+--------------------------------------------------------------+------------------------------------+---------------------+ + + -Wunsupported-cb ---------------- This diagnostic is enabled by default. @@ -10527,6 +11014,21 @@ This diagnostic is enabled by default. +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-Wunsupported-gpopt +------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mgpopt' option as it cannot be used with` |nbsp| |+-----------------------------------------+|:diagtext:`-mabicalls`| +| || || | +| |+-----------------------------------------+| | +| ||:diagtext:`the implicit usage of` |nbsp| || | +| |+-----------------------------------------+| | ++--------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+ + + -Wunsupported-nan ----------------- This diagnostic is enabled by default. @@ -10585,14 +11087,14 @@ This diagnostic is enabled by default. **Diagnostic text:** ++-------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`argument '`:placeholder:`A`:diagtext:`' requires profile-guided optimization information`| ++-------------------------------------------------------------------------------------------------------------------------------+ + +---------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`joined argument expects additional value: '`:placeholder:`A`:diagtext:`'`| +---------------------------------------------------------------------------------------------------------------+ -+-----------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`argument '-fdiagnostics-show-hotness' requires profile-guided optimization information`| -+-----------------------------------------------------------------------------------------------------------------------------+ - +----------------------------------------------------------------------------------------------------+----------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :placeholder:`A`:diagtext:`: '`:placeholder:`B`:diagtext:`' input unused`|+--------------------------------------------------------------------+| | ||+------------------------------------------------------------------+|| @@ -10621,6 +11123,10 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`argument unused during compilation: '`:placeholder:`A`:diagtext:`'`| +---------------------------------------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`the flag '`:placeholder:`A`:diagtext:`' has been deprecated and will be ignored`| ++----------------------------------------------------------------------------------------------------------------------+ + -Wunused-comparison ------------------- @@ -10781,6 +11287,21 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------------------------------------------------------------------+ +-Wunused-template +----------------- +Also controls `-Wunneeded-internal-declaration`_. + +**Diagnostic text:** + ++-----------------------------------------------------+----------------------+----------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`unused` |nbsp| |+--------------------+| |nbsp| :diagtext:`template` |nbsp| :placeholder:`B`| +| ||:diagtext:`function`|| | +| |+--------------------+| | +| ||:diagtext:`variable`|| | +| |+--------------------+| | ++-----------------------------------------------------+----------------------+----------------------------------------------------+ + + -Wunused-value -------------- This diagnostic is enabled by default. @@ -10888,12 +11409,18 @@ This diagnostic is enabled by default. -Wvariadic-macros ----------------- +Some of the diagnostics controlled by this flag are enabled by default. + **Diagnostic text:** +--------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`named variadic macros are a GNU extension`| +--------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`\_\_VA\_OPT\_\_ can only appear in the expansion of a variadic macro`| ++-----------------------------------------------------------------------------------------------------------+ + +------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`variadic macros are a C99 feature`| +------------------------------------------------------------------------+ @@ -10952,6 +11479,10 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`parentheses were disambiguated as a function declaration`| +-----------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`parentheses were disambiguated as redundant parentheses around declaration of variable named` |nbsp| :placeholder:`A`| ++-----------------------------------------------------------------------------------------------------------------------------------------------------------+ + -Wvisibility ------------ @@ -11037,6 +11568,15 @@ Also controls `-Wdeprecated-writable-strings`_. Synonym for `-Wwritable-strings`_. +-Wzero-as-null-pointer-constant +------------------------------- +**Diagnostic text:** + ++--------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`zero as null pointer constant`| ++--------------------------------------------------------------------+ + + -Wzero-length-array ------------------- **Diagnostic text:** |