From cb005af5ea61c8ea215877c6b951fe0c72fe2fdb Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Fri, 25 Sep 2026 16:27:34 +0900
Subject: [PATCH] Remove the redundant _WIN32 check in rb_group_member

Neither mswin nor mingw defines HAVE_GETGROUPS, so the remaining condition already covers Windows.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/file.c b/file.c
index 833c63e965d..600cffcea0a 100644
--- a/file.c
+++ b/file.c
@@ -1710,7 +1710,7 @@ rb_file_lstat(VALUE obj)
 static int
 rb_group_member(GETGROUPS_T gid)
 {
-#if defined(_WIN32) || !defined(HAVE_GETGROUPS)
+#if !defined(HAVE_GETGROUPS)
     return FALSE;
 #else
     int rv = FALSE;
@@ -1735,7 +1735,7 @@ rb_group_member(GETGROUPS_T gid)
         ALLOCV_END(v);
 
     return rv;
-#endif /* defined(_WIN32) || !defined(HAVE_GETGROUPS) */
+#endif /* !defined(HAVE_GETGROUPS) */
 }
 
 #ifndef S_IXUGO