[all-commits] [llvm/llvm-project] 68ed64: [LegacyPM] Avoid a redundant map lookup in setLast...

[Jay Foad via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 68ed6447855632b954b55f63807481eaa44705df
      https://github.com/llvm/llvm-project/commit/68ed6447855632b954b55f63807481eaa44705df
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2020-11-27 (Fri, 27 Nov 2020)

  Changed paths:
    M llvm/lib/IR/LegacyPassManager.cpp

  Log Message:
  -----------
  [LegacyPM] Avoid a redundant map lookup in setLastUser. NFC.

As a bonus this makes it (IMO) obvious that the iterator is not
invalidated, so remove the comment explaining that.