[PATCH] D32456: [ubsan] Make the alignment check work with some extern decls (PR32630)

[Eli Friedman via Phabricator via cfe-commits]

efriedma added a comment.

Err, that's not what I meant...

If the alignment of a global in LLVM IR is "zero", it doesn't really mean zero.  It means "guess the alignment I want based on the specified type of the global".  And that's not a game we ever want to play when generating IR from clang.


https://reviews.llvm.org/D32456