[PATCH] D137269: [Clang][AArch64][Darwin] Enable GlobalISel by default for Darwin ARM64 platforms.

Wed Dec 7 09:23:45 PST 2022

thakis added a comment.

In D137269#3925163 <https://reviews.llvm.org/D137269#3925163>, @thakis wrote:

> Heads-up: This very visibly broke web page rendering in Chromium (but only when using LTO) (https://crbug.com/1383873) . Not clear yet if this exposed UB on our end or not.

After looking at this for a while, this does look like a miscompile. I filed https://github.com/llvm/llvm-project/issues/59376 for this, with a somewhat reduced repro (down to a single TU, but the TU is still fairly large.)

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D137269/new/

https://reviews.llvm.org/D137269