[PATCH] D94388: [Coroutine][DebugInfo] Enhance the ability of coroutine to debug parameters under O2

[Yifeng Dong via Phabricator via llvm-commits]

dongAxis1944 added a comment.

Thanks for reviewing, I learn a lot.

In D94388#2494294 <https://reviews.llvm.org/D94388#2494294>, @aprantl wrote:

> Do we understand *why* the frontend is emitting the variables twice? If that just a bug in the clang frontend (which would be my first guess) then we should aim at fixing the frontend instead. If the frontend is trying to do something different, I would love to understand what that is.




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