[all-commits] [llvm/llvm-project] 4abcbb: [Clang][Cygwin] Use correct mangling rule (#158404)

[Tomohiro Kashiwada via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4abcbb053f8adaf48dbfff677e8ccda1f6d52b33
      https://github.com/llvm/llvm-project/commit/4abcbb053f8adaf48dbfff677e8ccda1f6d52b33
  Author: Tomohiro Kashiwada <kikairoya at gmail.com>
  Date:   2025-09-14 (Sun, 14 Sep 2025)

  Changed paths:
    M clang/lib/Basic/Targets/X86.h
    M clang/test/CodeGen/mangle-windows.c
    M clang/test/CodeGenCXX/mangle-windows.cpp

  Log Message:
  -----------
  [Clang][Cygwin] Use correct mangling rule (#158404)

In
https://github.com/llvm/llvm-project/commit/45ca613c135ea7b5fbc63bff003f20bf20f62081,
whether to mangle names based on calling conventions according to
Microsoft conventions was refactored to a bool in the TargetInfo. Cygwin
targets also require this mangling, but were missed, presumably due to
lack of test coverage of these targets. This commit enables the name
mangling for Cygwin, and also enables test coverage of this mangling on
Cygwin targets.



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