[PATCH] D142556: [DebugInfo] Merge partially matching chains of inlined locations

[David Stenberg via Phabricator via llvm-commits]

dstenb updated this revision to Diff 492719.
dstenb added a comment.

When building a Clang binary with this patch to see how often the new case occurs I encountered a bug where the `BRIt` iterator was invalidated due to further insertion into `BLocs`. I have fixed that and adding a unit test.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142556/new/

https://reviews.llvm.org/D142556

Files:
  llvm/lib/IR/DebugInfoMetadata.cpp
  llvm/test/DebugInfo/MIR/X86/merge-inline-loc1.mir
  llvm/test/DebugInfo/MIR/X86/merge-inline-loc2.mir
  llvm/test/DebugInfo/MIR/X86/merge-inline-loc3.mir
  llvm/test/DebugInfo/MIR/X86/merge-inline-loc4.mir
  llvm/test/DebugInfo/X86/merge_inlined_loc.ll
  llvm/unittests/IR/MetadataTest.cpp

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