[gcc r15-7649] libstdc++: Add parentheses around _GLIBCXX_HAS_BUILTIN definition

[Jonathan Wakely]

https://gcc.gnu.org/g:57f65c5c027c7c075c2773a857304f341b9dea1a

commit r15-7649-g57f65c5c027c7c075c2773a857304f341b9dea1a
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Feb 19 14:45:16 2025 +0000

    libstdc++: Add parentheses around _GLIBCXX_HAS_BUILTIN definition
    
    This allows _GLIBCXX_HAS_BUILTIN (or _GLIBCXX_USE_BUILTIN_TRAIT) to be
    used as part of a larger logical expression.
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/c++config (_GLIBCXX_HAS_BUILTIN): Add parentheses.

Diff:
---
 libstdc++-v3/include/bits/c++config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index b0ca6579cfb8..07f75ea66595 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -885,7 +885,7 @@ namespace __gnu_cxx
 #ifdef __has_builtin
 # ifdef __is_identifier
 // Intel and older Clang require !__is_identifier for some built-ins:
-#  define _GLIBCXX_HAS_BUILTIN(B) __has_builtin(B) || ! __is_identifier(B)
+#  define _GLIBCXX_HAS_BUILTIN(B) (__has_builtin(B) || ! __is_identifier(B))
 # else
 #  define _GLIBCXX_HAS_BUILTIN(B) __has_builtin(B)
 # endif