[all-commits] [llvm/llvm-project] 64a274: [LLD][COFF] Make /wholearchive thin-archive member...

[bd1976bris via All-commits]

  Branch: refs/heads/release/21.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 64a274fadaf0ce2e560811c25f35c064b3960bfd
      https://github.com/llvm/llvm-project/commit/64a274fadaf0ce2e560811c25f35c064b3960bfd
  Author: bd1976bris <Ben.Dunbobbin at sony.com>
  Date:   2025-07-24 (Thu, 24 Jul 2025)

  Changed paths:
    M lld/COFF/Driver.cpp
    M lld/COFF/Driver.h
    M lld/test/COFF/thin-archive.s

  Log Message:
  -----------
  [LLD][COFF] Make /wholearchive thin-archive member identifiers consistent (#145487)

A thin archive is an archive/library format where the archive itself
contains only references to member object files on disk, rather than
embedding the file contents.

For the non-/wholearchive case, we use the path to the archive member as
the identifier for thin-archive members (see comments in
`enqueueArchiveMember`). This patch modifies the /wholearchive path to
behave the same way.

Apart from consistency, my motivation for fixing this is DTLTO
(#126654), where having the member identifier be the path on disk allows
distribution of bitcode members during ThinLTO.

(cherry picked from commit 9f733f4324412ef89cc7729bf027cdcab912ceff)



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