[all-commits] [llvm/llvm-project] f1ba89: [LLD][COFF] Support anti-dependency symbols (#112542)

[Jacek Caban via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f1ba8943c88ba2b53aaad407933dbb4b48b029d3
      https://github.com/llvm/llvm-project/commit/f1ba8943c88ba2b53aaad407933dbb4b48b029d3
  Author: Jacek Caban <jacek at codeweavers.com>
  Date:   2024-10-21 (Mon, 21 Oct 2024)

  Changed paths:
    M lld/COFF/Driver.cpp
    M lld/COFF/InputFiles.cpp
    M lld/COFF/SymbolTable.cpp
    M lld/COFF/Symbols.cpp
    M lld/COFF/Symbols.h
    A lld/test/COFF/weak-antidep-chain.test
    A lld/test/COFF/weak-antidep.test

  Log Message:
  -----------
  [LLD][COFF] Support anti-dependency symbols (#112542)

Co-authored-by: Billy Laws <blaws05 at gmail.com>

Anti-dependency symbols are allowed to be duplicated, with the first
definition taking precedence. If a regular weak alias is present, it is
preferred over an anti-dependency definition. Chaining anti-dependencies
is not allowed.



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