[C11] Implement WG14 N1285 (temporary lifetimes) (#133472)

This feature largely models the same behavior as in C++11. It is
technically a breaking change between C99 and C11, so the paper is not
being backported to older language modes.

One difference between C++ and C is that things which are rvalues in C
are often lvalues in C++ (such as the result of a ternary operator or a
comma operator).

Fixes #96486

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 2b1062d..a398ba5 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2249,6 +2249,8 @@ public:
   void pushLifetimeExtendedDestroy(CleanupKind kind, Address addr,
                                    QualType type, Destroyer *destroyer,
                                    bool useEHCleanupForArray);
+  void pushLifetimeExtendedDestroy(QualType::DestructionKind dtorKind,
+                                   Address addr, QualType type);
   void pushCallObjectDeleteCleanup(const FunctionDecl *OperatorDelete,
                                    llvm::Value *CompletePtr,
                                    QualType ElementType);