[PATCH] D116946: [ELF] Use tombstone values for discarded symbols in relocatable output

[Igor Kudrin via Phabricator via llvm-commits]

ikudrin created this revision.
ikudrin added reviewers: MaskRay, peter.smith.
ikudrin added projects: lld, LLVM.
Herald added subscribers: luke957, s.egerton, simoncook, arichardson, emaste.
ikudrin requested review of this revision.

This extends D81784 <https://reviews.llvm.org/D81784>. Sections can be discarded when linking a relocatable output. Before the patch, LLD did not update the content of debug sections and only replaced the corresponding relocations with _NONE, which could break the debug information.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D116946

Files:
  lld/ELF/InputSection.cpp
  lld/test/ELF/debug-dead-reloc-relocatable.s

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