[PATCH] D70749: [InstCombine] do not insert nonnull assumption for undef

[Tyker via Phabricator via llvm-commits]

Tyker resigned from this revision.
Tyker added a comment.

I don't believe i am qualified to review this. but I agree with rnk.

> How was DAE able to replace an argument with undef which was fed to strlen? Is that the real bug?


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https://reviews.llvm.org/D70749