[all-commits] [llvm/llvm-project] 27c859: [win][x64] Unwind v2: When making headroom leave s...

[Daniel Paoliello via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 27c85964006ec45bd8215ec3271c79fbda435735
      https://github.com/llvm/llvm-project/commit/27c85964006ec45bd8215ec3271c79fbda435735
  Author: Daniel Paoliello <danpao at microsoft.com>
  Date:   2026-04-01 (Wed, 01 Apr 2026)

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

  Log Message:
  -----------
  [win][x64] Unwind v2: When making headroom leave space for the header (#188368)

When the `ensureHeadroom` call was added during unwind v2 info emission,
it didn't take into account that there is a header of 2-bytes before all
the fixups, so not enough space was actually reserved.



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