From: François Dumont <frs.dumont@gmail.com>
Date: Wed, 18 Dec 2024 18:18:32 +0000 (+0100)
Subject: libstdc++: Have std::addressof use __builtin_addressof
X-Git-Tag: basepoints/gcc-16~3201
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33502a11e47a87f1423a80bead8e87fbd6363fa1;p=thirdparty%2Fgcc.git

libstdc++: Have std::addressof use __builtin_addressof

Rather than calling std::__addressof in std::addressof we can directly
call __builtin_addressof to bypass 1 function call.

libstdc++-v3/ChangeLog:

	* include/bits/move.h (std::addressof): Call __builtin_addressof.
---

diff --git a/libstdc++-v3/include/bits/move.h b/libstdc++-v3/include/bits/move.h
index 8397a01b6323..421e37509eae 100644
--- a/libstdc++-v3/include/bits/move.h
+++ b/libstdc++-v3/include/bits/move.h
@@ -161,7 +161,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     _GLIBCXX_NODISCARD
     inline _GLIBCXX17_CONSTEXPR _Tp*
     addressof(_Tp& __r) noexcept
-    { return std::__addressof(__r); }
+    { return __builtin_addressof(__r); }
 
   // _GLIBCXX_RESOLVE_LIB_DEFECTS
   // 2598. addressof works on temporaries