[PATCH] D127115: [DAGCombine] Make sure combined nodes are added back to the worklist in topological order.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In D127115#4395664 <https://reviews.llvm.org/D127115#4395664>, @jplehr wrote:

> It seems that this broke the AMDGPU OpenMP runtime buildbot (https://lab.llvm.org/buildbot/#/builders/193/builds/32362).
> I reverted locally and the build works again.
> The issue I'm seeing is that the build of the file kmp_affinity.cpp

In a 2-stage build, D127115 <https://reviews.llvm.org/D127115> caused Clang to end in an infinite loop when compiling some files to.
This applies to a few other files, including `llvm/lib/IR/AsmWriter.cpp`


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D127115/new/

https://reviews.llvm.org/D127115