[PATCH] D82314: [RFC][Coroutines] Optimize the lifespan of temporary co_await object

[Xun Li via Phabricator via cfe-commits]

lxfind added a comment.

In D82314#2107910 <https://reviews.llvm.org/D82314#2107910>, @junparser wrote:

> Rather than doing it here, can we build await_resume call expression with MaterializedTemporaryExpr when expand the coawait expression. That's how gcc does.


There doesn't appear to be a way to do that in Clang. It goes from the AST to IR directly, and there needs to be a MaterializedTemporaryExpr to wrap the result of co_await. Could you elaborate on how this might be done in Clang?


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