[PATCH] D32401: [Devirtualization] insert placement new barrier with -O0

[Mehdi AMINI via Phabricator via cfe-commits]

mehdi_amini added a comment.

> To not break LTO with different optimizations levels, we should insert the barrier regardles of optimization level.

What do you mean by "break"? Is it a correctness issue?


https://reviews.llvm.org/D32401