[PATCH] D86142: [LLD] Search archives for non-tentative defintions.

[Sean Fertile via Phabricator via llvm-commits]

sfertile created this revision.
sfertile added reviewers: MaskRay, rzurob, ruiu, nemanjai, stefanp, NeHuang, jyknight.
sfertile added a project: PowerPC.
Herald added subscribers: arichardson, emaste.
Herald added a reviewer: espindola.
Herald added a project: LLVM.
sfertile requested review of this revision.

Work in progress patch to spur the discussion. Motivated by bfds common symbol handling in archives which is needed by FORTRAN libraries which use CommonBlock/BlockData .

When an object  symbol is a tentative definition, we search archives for 'real' definitions to override the common symbol.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86142

Files:
  lld/ELF/InputFiles.cpp
  lld/ELF/InputFiles.h
  lld/ELF/Symbols.cpp
  lld/test/ELF/common-archive-lookup.s

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