[PATCH] D31646: [coroutines] Build GRO declaration and return GRO statement

[Gor Nishanov via Phabricator via cfe-commits]

GorNishanov created this revision.

1. build declaration of the gro local variable that keeps the result of get_return_object.
2. build return statement returning the gro variable
3. emit them during CodeGen
4. sema and CodeGen tests updated


https://reviews.llvm.org/D31646

Files:
  include/clang/AST/StmtCXX.h
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/AST/StmtCXX.cpp
  lib/CodeGen/CGCoroutine.cpp
  lib/Sema/AnalysisBasedWarnings.cpp
  lib/Sema/CoroutineStmtBuilder.h
  lib/Sema/SemaCoroutine.cpp
  test/CodeGenCoroutines/coro-alloc.cpp
  test/SemaCXX/coroutines.cpp

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