[PATCH] D75000: [IndVars] Fix sort comparator.

[Eli Friedman via Phabricator via llvm-commits]

efriedma created this revision.
efriedma added a reviewer: reames.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

std::sort will compare an element to itself in some cases.  We should not crash if this happens.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75000

Files:
  llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
  llvm/test/Transforms/IndVarSimplify/eliminate-exit.ll

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