[PATCH] D34194: [coroutines] Allow co_await and co_yield expressions that return an lvalue to compile

[Eric Fiselier via Phabricator via cfe-commits]

EricWF created this revision.

The title says it all.

However I can't figure out how to test `int& x = co_yield 42;` since that expression doesn't seem to want to parse.


https://reviews.llvm.org/D34194

Files:
  lib/CodeGen/CGCoroutine.cpp
  lib/CodeGen/CGExpr.cpp
  lib/CodeGen/CodeGenFunction.h
  test/CodeGenCoroutines/coro-await.cpp

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