[PATCH] D43084: [bugpoint] Simplify the global initializer reducer, NFC

[Vedant Kumar via Phabricator via llvm-commits]

vsk created this revision.
vsk added reviewers: bogner, MatzeB.

Fix the comments, use early exits, use unique_ptr, and use ranged for
loops.

This is in preparation for a global *variable* reducer, which, with any
luck will help us clean up test cases.


https://reviews.llvm.org/D43084

Files:
  tools/bugpoint/CrashDebugger.cpp

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