[PATCH] D100879: [Clang] Propagate guaranteed alignment for malloc and others

[John McCall via Phabricator via cfe-commits]

rjmccall added a comment.

Please addd tests, including tests that we suppress this assumption under e.g. `-fno-builtin-malloc`


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  https://reviews.llvm.org/D100879/new/

https://reviews.llvm.org/D100879