git: ab3d713e93dc - main - sys/_types.h: use builtins to for __max_align_t

The branch main has been updated by brooks:

URL: https://cgit.FreeBSD.org/src/commit/?id=ab3d713e93dc1d322398657125071101c08e2ce5

commit ab3d713e93dc1d322398657125071101c08e2ce5
Author:     Brooks Davis <brooks@FreeBSD.org>
AuthorDate: 2025-06-11 16:39:01 +0000
Commit:     Brooks Davis <brooks@FreeBSD.org>
CommitDate: 2025-06-11 16:39:01 +0000

    sys/_types.h: use builtins to for __max_align_t
    
    Use __attribute__((__aligned__(x))) and __alignof__(x) in places of local
    macros that ultimately wrap these.  We don't support compilers that don't
    define these so there's little loss of generality.
    
    This mirrors Clang's stddef.h.
    
    Reviewed by:    imp
    Exp-run by:     antoine (PR 286274)
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/1595
---
 sys/sys/_types.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/sys/_types.h b/sys/sys/_types.h
index c84b84edd2b8..f6d1f26551e0 100644
--- a/sys/sys/_types.h
+++ b/sys/sys/_types.h
@@ -181,9 +181,11 @@ typedef	__uint_least32_t __char32_t;
 #endif
 
 typedef struct {
-	long long __max_align1 __aligned(_Alignof(long long));
+	long long __max_align1
+	    __attribute__((__aligned__(__alignof__(long long))));
 #ifndef _STANDALONE
-	long double __max_align2 __aligned(_Alignof(long double));
+	long double __max_align2
+	    __attribute__((__aligned__(__alignof__(long long))));
 #endif
 } __max_align_t;