[PATCH] D36963: Use sorting instead of a lot of stable_partitions for `ICF::segregate` function

[Rui Ueyama via Phabricator via llvm-commits]

ruiu added a comment.

I may be able to write a test for reproducibility, but the test needs to be fairly large because it probably involves a multi-thread nondeterminism which you can't see with a small test.


https://reviews.llvm.org/D36963