[all-commits] [llvm/llvm-project] c696ec: [win][arm64ec] Handle `available_externally` funct...

[Daniel Paoliello via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c696ecddeea74fd3289234ea7b82083ef90c7189
      https://github.com/llvm/llvm-project/commit/c696ecddeea74fd3289234ea7b82083ef90c7189
  Author: Daniel Paoliello <danpao at microsoft.com>
  Date:   2025-08-01 (Fri, 01 Aug 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64Arm64ECCallLowering.cpp
    A llvm/test/CodeGen/AArch64/arm64ec-available-externally.ll

  Log Message:
  -----------
  [win][arm64ec] Handle `available_externally` functions (#151610)

While testing Arm64EC, I observed that LLVM crashes when an
`available_externally` function is used as it tries to place it in a
COMDAT, which is not permitted by the verifier.

This the fix from #151409 plus a dedicated test.



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