[PATCH] D154637: [SamplePGO] Fix ICE that callee samples returns null while finding import functions

[Wenlei He via Phabricator via llvm-commits]

wenlei accepted this revision.
wenlei added a comment.

nit: update the change description too based on the new comment (describing it using push/pop isn't very intuitive). otherwise lgtm.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D154637/new/

https://reviews.llvm.org/D154637