[PATCH] D19930: [Lifetime] Add lifetime markers for C++ lifetime-extended temporaries

[Tim Shen via cfe-commits]

timshen created this revision.
timshen added a reviewer: rsmith.
timshen added a subscriber: cfe-commits.

Use pushCleanupAfterFullExpr to add lifetime.end markers for 
lifetime-extended temporaries, similar to the way destructor calls get 
generated.

It does not change the AST representation. It doesn't generate normal temporary
lifetime markers, since normal temporaries appear in substantially different
places, which could be done in a separate patch.

http://reviews.llvm.org/D19930

Files:
  lib/CodeGen/CGCleanup.cpp
  lib/CodeGen/CGDecl.cpp
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CodeGenFunction.h
  lib/CodeGen/EHScopeStack.h
  test/CodeGen/lifetime-extended-temporaries.cpp

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