[all-commits] [llvm/llvm-project] 7e51c0: [LLD][COFF] Allow symbols with empty chunks to hav...

[Jacek Caban via All-commits]

  Branch: refs/heads/release/21.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 7e51c08c82c50afc75cd3adb50ffa60aee832fb4
      https://github.com/llvm/llvm-project/commit/7e51c08c82c50afc75cd3adb50ffa60aee832fb4
  Author: Jacek Caban <jacek at codeweavers.com>
  Date:   2025-08-01 (Fri, 01 Aug 2025)

  Changed paths:
    M lld/COFF/PDB.cpp
    A lld/test/COFF/pdb-empty-sec.s

  Log Message:
  -----------
  [LLD][COFF] Allow symbols with empty chunks to have no associated output section in the PDB writer (#149523)

If a chunk is empty and there are no other non-empty chunks in the same
section, `removeEmptySections()` will remove the entire section. In this
case, use a section index of 0, as the MSVC linker does, instead of
asserting.

(cherry picked from commit 1ab04fc94c5f68ad0dc6755e3914f2895b85e720)



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