[all-commits] [llvm/llvm-project] 2119e3: [lld][ELF] Concatenate .gnu.build.attributes.* sec...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2119e359b1f968da94ff27a4078d569e18903aef
      https://github.com/llvm/llvm-project/commit/2119e359b1f968da94ff27a4078d569e18903aef
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M lld/ELF/LinkerScript.cpp
    A lld/test/ELF/gnu-build-attributes.s

  Log Message:
  -----------
  [lld][ELF] Concatenate .gnu.build.attributes.* sections (#208737)

ld.bfd/ld.gold have been concatenating the GNU build attribute sections
since 2018:

https://gitlab.com/gnutools/binutils-gdb/-/commit/7d8a31665739412395f6dd370d2279acd322e78e

Do the same in LLD. These do not have a dedicated section type or flags,
so this is handled by the name-based logic. (Peculiarly, there used to
be SHF_GNU_BUILD_NOTE, but it was removed again.)

Not concatenating these results in a huge number of sections, which
breaks tools like `file`.



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