[PATCH] D133036: [InstCombine] Treat passing undef to noundef params as UB

[Sam Clegg via Phabricator via cfe-commits]

sbc100 added a comment.

This change also broken emscripten in some odd ways: https://app.circleci.com/pipelines/github/emscripten-core/emscripten/23359/workflows/4080be5f-bd82-45b9-a355-3a5d4f4ef977/jobs/564543.   The revert seems to have fixed it.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D133036/new/

https://reviews.llvm.org/D133036