[all-commits] [llvm/llvm-project] 535f60: [MC] [Win64EH] Clarify the comment about a skipped...

Martin Storsjö via All-commits all-commits at lists.llvm.org
Tue Dec 2 02:11:35 PST 2025


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 535f604dabfb6563dab2a2478fb665699523fd0a
      https://github.com/llvm/llvm-project/commit/535f604dabfb6563dab2a2478fb665699523fd0a
  Author: Martin Storsjö <martin at martin.st>
  Date:   2025-12-02 (Tue, 02 Dec 2025)

  Changed paths:
    M llvm/lib/MC/MCWin64EH.cpp

  Log Message:
  -----------
  [MC] [Win64EH] Clarify the comment about a skipped case of packed unwind info (#169784)

Clarify the comment from 924defada9bc0e3c89b0c0e288d7cb4dd654e7d4. There
is no longer any ambiguity about this case; newer versions of Windows
correctly match the documentation, making it clear that the older
versions were incorrect. Mention specific versions that have and don't
have the inconsistency.

Even if we wouldn't care about the older versions of Windows, we can't
enable this case of unwind info packing, unless the implementation also
is changed to match for asymmetrical prologs/epilogs.



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