[PATCH] D139764: [COFF] Respect weak externals for mangled symbol searching

[Shoaib Meenai via Phabricator via llvm-commits]

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We were previously ignoring weak aliases during these searches (which
are used for the entry point, exports, and subsystem inference), which
differed from link.exe behavior. It also meant that we could get
different behavior when linking an object file directly vs. packaging it
into a static library, because static library symbol name directories
include weak externals.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139764

Files:
  lld/COFF/SymbolTable.cpp
  lld/test/COFF/entry-weak-external.s
  lld/test/COFF/subsystem-inference-weak-external.s

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