[PATCH] D31399: [coroutines] Handle get_return_object_on_allocation_failure

[Gor Nishanov via Phabricator via cfe-commits]

GorNishanov created this revision.
Herald added a subscriber: mehdi_amini.

If promise_type has get_return_object_on_allocation_failure defined,
check if an allocation function returns nullptr, and if so, 
return the result of get_return_object_on_allocation_failure().


https://reviews.llvm.org/D31399

Files:
  include/clang/AST/StmtCXX.h
  lib/AST/StmtCXX.cpp
  lib/CodeGen/CGCoroutine.cpp
  lib/Sema/SemaCoroutine.cpp
  test/CodeGenCoroutines/coro-alloc.cpp

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