Vendor import of clang trunk r321017:vendor/clang/clang-trunk-r321017

https://llvm.org/svn/llvm-project/cfe/trunk@321017

1 files changed, 43 insertions, 0 deletions

diff --git a/test/SemaObjCXX/block-variable-move.mm b/test/SemaObjCXX/block-variable-move.mm
new file mode 100644
index 000000000000..e26dffc5d040
--- /dev/null
+++ b/test/SemaObjCXX/block-variable-move.mm
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -fobjc-arc -verify -fblocks -Wpessimizing-move -Wredundant-move %s
+
+// definitions for std::move
+namespace std {
+inline namespace foo {
+template <class T> struct remove_reference { typedef T type; };
+template <class T> struct remove_reference<T&> { typedef T type; };
+template <class T> struct remove_reference<T&&> { typedef T type; };
+
+template <class T> typename remove_reference<T>::type &&move(T &&t);
+}
+}
+
+class MoveOnly {
+public:
+  MoveOnly() { }
+  MoveOnly(MoveOnly &&) = default; // expected-note 2 {{copy constructor is implicitly deleted}}
+  MoveOnly &operator=(MoveOnly &&) = default;
+  ~MoveOnly();
+};
+
+void copyInit() {
+  __block MoveOnly temp;
+  MoveOnly temp2 = temp; // expected-error {{call to implicitly-deleted copy constructor of 'MoveOnly'}}
+  MoveOnly temp3 = std::move(temp); // ok
+}
+
+MoveOnly errorOnCopy() {
+  __block MoveOnly temp;
+  return temp; // expected-error {{call to implicitly-deleted copy constructor of 'MoveOnly'}}
+}
+
+MoveOnly dontWarnOnMove() {
+  __block MoveOnly temp;
+  return std::move(temp); // ok
+}
+
+class MoveOnlySub : public MoveOnly {};
+
+MoveOnly dontWarnOnMoveSubclass() {
+  __block MoveOnlySub temp;
+  return std::move(temp); // ok
+}