[PATCH] D94834: [Coroutine] Do not CoroElide if there are musttail calls

[Chuanqi Xu via Phabricator via llvm-commits]

ChuanqiXu added a comment.

I am a little unclear about this problem. From my point of view, it seems like that there is a Coroutine C elided in a normal function F. Then in the Coroutine Body of C, it would try to switch to itself by symmetric transfer. However, the Coroutine frame of C now is a stack variable. Then the tail call would pass the address of the stack variable whose lifetime has ended, so here is the corruption. Did I understand the situation?


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