[PATCH] D107420: [sema] Disallow __builtin_mul_overflow under special condition.

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added a comment.

In D107420#2928975 <https://reviews.llvm.org/D107420#2928975>, @craig.topper wrote:

> I put up a patch for a simple fix for this in the backend. https://reviews.llvm.org/D107581  The generated code is not optimal, but maybe better than frontend workarounds.

Thanks for putting up the backend fix! That's much better than frontend workarounds.


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https://reviews.llvm.org/D107420