[PATCH] D66355: [COFF] Add libcall symbols to the link when LTO is being used.

[Amy Huang via Phabricator via llvm-commits]

akhuang created this revision.
akhuang added a reviewer: rnk.
Herald added subscribers: llvm-commits, dexonsmith, inglorion, mehdi_amini.
Herald added a project: LLVM.

If a library function is defined in a bitcode file in an archive
member, add the archive members to the link before LTO, since LTO may
create references to the library functions.

Similar to the change for ELF (https://reviews.llvm.org/D50017).

This is a fix for https://bugs.llvm.org/show_bug.cgi?id=42626#c3.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D66355

Files:
  lld/COFF/Driver.cpp
  lld/COFF/SymbolTable.cpp
  lld/COFF/SymbolTable.h
  lld/test/COFF/Inputs/libcall-archive.ll
  lld/test/COFF/Inputs/libcall-archive.s
  lld/test/COFF/libcall-archive.ll

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