Vendor import of clang release_39 branch r276489:vendor/clang/clang-release_39-r276489

https://llvm.org/svn/llvm-project/cfe/branches/release_39@276489

1 files changed, 21 insertions, 0 deletions

diff --git a/test/SemaCXX/no-wchar.cpp b/test/SemaCXX/no-wchar.cpp
index 291b657f51ab..b6dcddf1f428 100644
--- a/test/SemaCXX/no-wchar.cpp
+++ b/test/SemaCXX/no-wchar.cpp
@@ -7,3 +7,24 @@ void foo(const wchar_t* x);
 void bar() {
   foo(L"wide string literal");
 }
+
+void foo1(wchar_t * t = L"");
+// expected-warning@-1 {{conversion from string literal to 'wchar_t *' (aka 'unsigned short *') is deprecated}}
+
+short *a = L"";
+// expected-error@-1 {{cannot initialize a variable of type 'short *' with an lvalue of type 'const unsigned short [1]'}}
+char *b = L"";
+// expected-error@-1 {{cannot initialize a variable of type 'char *' with an lvalue of type 'const unsigned short [1]'}}
+
+// NOTE: MSVC allows deprecated conversion in conditional expression if at least
+// one of the operand is a string literal but Clang doesn't allow it.
+wchar_t *c = true ? L"a" : L"";
+// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}}
+
+const wchar_t *d1 = 0;
+const wchar_t *d2 = 0;
+wchar_t *d = true ? d1 : d2;
+// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}}
+
+wchar_t* e = (const wchar_t*)L"";
+// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with an rvalue of type 'const wchar_t *' (aka 'const unsigned short *')}}