From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1888) id 1DD6E3858407; Thu, 11 Jan 2024 00:01:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1DD6E3858407 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704931291; bh=QesxZfDBpAhcnOWSBZ6ulCMpQftkCdr4kvkytyfnPAA=; h=From:To:Subject:Date:From; b=SMtPuC005z1Or4pi6sHUr+HWdM5cuwZ9uU0QI2+iboX24i2kvIxe6KsAsgiwhf6Kk DsVMykYMmOK0nMTpCsAruJSGIxR/TImJMbUYjN6t/M/zXBsWXPC0DZXNyd0379gvhU 8IN2rME4qSQvvgKAROuU3I+TOPZIpa9YRT+gSDVM= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Patrick Palka To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r14-7120] libstdc++: Use _GLIBCXX_USE_BUILTIN_TRAIT for _Nth_type X-Act-Checkin: gcc X-Git-Author: Patrick Palka X-Git-Refname: refs/heads/master X-Git-Oldrev: 3b8ef3f25ed68790f77eea8ea445b7c9144c8ca6 X-Git-Newrev: c84363b8c5c8b545ea922fd2aa12f14f17990815 Message-Id: <20240111000131.1DD6E3858407@sourceware.org> Date: Thu, 11 Jan 2024 00:01:30 +0000 (GMT) List-Id: https://gcc.gnu.org/g:c84363b8c5c8b545ea922fd2aa12f14f17990815 commit r14-7120-gc84363b8c5c8b545ea922fd2aa12f14f17990815 Author: Patrick Palka Date: Wed Jan 10 19:00:49 2024 -0500 libstdc++: Use _GLIBCXX_USE_BUILTIN_TRAIT for _Nth_type Since _Nth_type has a fallback native implementation, use _GLIBCXX_USE_BUILTIN_TRAIT when checking for __type_pack_element so that we can easily toggle which implementation to use. libstdc++-v3/ChangeLog: * include/bits/utility.h (_Nth_type): Use _GLIBCXX_USE_BUILTIN_TRAIT instead of __has_builtin. Diff: --- libstdc++-v3/include/bits/utility.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libstdc++-v3/include/bits/utility.h b/libstdc++-v3/include/bits/utility.h index 45d7241da9f..d8a5fb960fe 100644 --- a/libstdc++-v3/include/bits/utility.h +++ b/libstdc++-v3/include/bits/utility.h @@ -225,7 +225,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #endif // C++17 -#if __has_builtin(__type_pack_element) +#if _GLIBCXX_USE_BUILTIN_TRAIT(__type_pack_element) template struct _Nth_type { using type = __type_pack_element<_Np, _Types...>; };