[PATCH] D135897: [LLD][ELF] --wrap: __real_foo references should trigger archive extraction for foo

[ben via Phabricator via llvm-commits]

bd1976llvm created this revision.
bd1976llvm added reviewers: MaskRay, smeenai, llvm-commits.
Herald added subscribers: StephenFan, arichardson, emaste.
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A reference to `__real_foo` should trigger archive extraction of the input file that defines `foo`, otherwise a link using --wrap=foo might fail to link with an undefined reference to `foo`.
This matches bfd linker behaviour.

Replaces https://reviews.llvm.org/D135737.


https://reviews.llvm.org/D135897

Files:
  lld/ELF/Driver.cpp
  lld/test/ELF/wrap-extract-real.ll
  lld/test/ELF/wrap-extract-real.s

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