[PATCH] D85739: [DebugInfo] Avoid falling in an infinite loop with a truncated .debug_str_offsets.dwo.

[Igor Kudrin via Phabricator via llvm-commits]

ikudrin created this revision.
ikudrin added reviewers: dblaikie, jhenderson, aprantl.
ikudrin added projects: LLVM, debug-info.
Herald added a subscriber: hiraditya.
ikudrin requested review of this revision.

`dumpStringOffsetsSection()` expects the size of a contribution to be correctly aligned. The patch adds the corresponding verifications for pre-v5 cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85739

Files:
  llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
  llvm/test/DebugInfo/X86/dwarfdump-str-offsets-v4-dwo-invalid.s
  llvm/test/DebugInfo/X86/dwarfdump-str-offsets-v4-dwp-invalid.s

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