[all-commits] [llvm/llvm-project] e7739e: [Clang] [Cygwin] wint_t is unsigned int (#143117)

[Tomohiro Kashiwada via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e7739eb6ccb775a2cfc2f68c3d2356ceeabdf94a
      https://github.com/llvm/llvm-project/commit/e7739eb6ccb775a2cfc2f68c3d2356ceeabdf94a
  Author: Tomohiro Kashiwada <kikairoya at gmail.com>
  Date:   2025-06-09 (Mon, 09 Jun 2025)

  Changed paths:
    M clang/lib/Basic/Targets/X86.h
    M clang/test/Preprocessor/init-x86.c
    M clang/test/Preprocessor/init.c

  Log Message:
  -----------
  [Clang] [Cygwin] wint_t is unsigned int (#143117)

On Cygwin environment, wint_t is unsigned int as shown here:
```
$ echo | gcc -m32 -xc - -E -dM | grep WINT_T
145:#define __SIZEOF_WINT_T__ 4
315:#define __WINT_TYPE__ unsigned int
```

```
$ echo | gcc -xc - -E -dM | grep WINT_T
147:#define __SIZEOF_WINT_T__ 4
317:#define __WINT_TYPE__ unsigned int
```

```
$ LANG=C gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-cygwin/15/lto-wrapper.exe
Target: x86_64-pc-cygwin
(snip)
```



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