From owner-freebsd-bugs@freebsd.org Thu Apr 8 16:33:02 2021 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1E4845B86E8 for ; Thu, 8 Apr 2021 16:33:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4FGRdV0BHQz3kYt for ; Thu, 8 Apr 2021 16:33:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 0615C5B867C; Thu, 8 Apr 2021 16:33:02 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 05D8B5B86E7 for ; Thu, 8 Apr 2021 16:33:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FGRdT6jf8z3kVZ for ; Thu, 8 Apr 2021 16:33:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D96F85C95 for ; Thu, 8 Apr 2021 16:33:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 138GX17e012094 for ; Thu, 8 Apr 2021 16:33:01 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 138GX10o012093 for bugs@FreeBSD.org; Thu, 8 Apr 2021 16:33:01 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 254714] include contains a c11 extension Date: Thu, 08 Apr 2021 16:33:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: misc X-Bugzilla-Version: 12.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Apr 2021 16:33:02 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254714 --- Comment #4 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D7702d940ec9a27fd4ab9e3991fc582b36= 9b5eedc commit 7702d940ec9a27fd4ab9e3991fc582b369b5eedc Author: Dimitry Andric AuthorDate: 2021-04-08 11:13:15 +0000 Commit: Dimitry Andric CommitDate: 2021-04-08 16:20:32 +0000 Avoid -pedantic warnings about using _Generic in __fp_type_select When compiling parts of math.h with clang using a C standard before C11, and using -pedantic, it will result in warnings similar to: bug254714.c:5:11: warning: '_Generic' is a C11 extension [-Wc11-extensi= ons] return !isfinite(1.0); ^ /usr/include/math.h:111:21: note: expanded from macro 'isfinite' ^ /usr/include/math.h:82:39: note: expanded from macro '__fp_type_select' ^ This is because the block that enables use of _Generic is conditional not only on C11, but also on whether the compiler advertises support for C generic selections via __has_extension(c_generic_selections). To work around the warning without having to pessimize the code, use the __extension__ keyword, which is supported by both clang and gcc. While here, remove the check for __clang__, as _Generic has been supported for a long time by gcc too now. Reported by: yuri PR: 254714 MFC after: 1 week lib/msun/src/math.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.=