From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7916 invoked by alias); 4 Mar 2014 11:12:55 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 7879 invoked by uid 48); 4 Mar 2014 11:12:51 -0000 From: "redi at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/60407]=?UTF-8?Q?=20call=20of=20overloaded=20=E2=80=98isnan=E2=80=99=20is=20ambiguous?= Date: Tue, 04 Mar 2014 11:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: redi at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-03/txt/msg00245.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D60407 Jonathan Wakely changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW --- Comment #7 from Jonathan Wakely --- (Tobias, see the URL field) Reduced: #include #include using namespace std; int main() { double d =3D 1.0; return isnan(d); } isnan.cc: In function =E2=80=98int main()=E2=80=99: isnan.cc:9:17: error: call of overloaded =E2=80=98isnan(double&)=E2=80=99 i= s ambiguous return isnan(d); ^ isnan.cc:9:17: note: candidates are: In file included from /usr/include/features.h:364:0, from /usr/include/math.h:26, from isnan.cc:1: /usr/include/bits/mathcalls.h:234:1: note: int isnan(double) __MATHDECL_1 (int,isnan,, (_Mdouble_ __value)) __attribute__ ((__const__)); ^ In file included from isnan.cc:2:0: /usr/include/c++/4.8.2/cmath:626:3: note: constexpr bool std::isnan(long double) isnan(long double __x) ^ /usr/include/c++/4.8.2/cmath:622:3: note: constexpr bool std::isnan(double) isnan(double __x) ^ /usr/include/c++/4.8.2/cmath:618:3: note: constexpr bool std::isnan(float) isnan(float __x) ^ >>From gcc-bugs-return-445377-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Mar 04 11:14:06 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 8933 invoked by alias); 4 Mar 2014 11:14:05 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 8887 invoked by uid 48); 4 Mar 2014 11:14:02 -0000 From: "redi at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/60407] [=?UTF-8?Q?C=2B=2B11call=20of=20overloaded=20=E2=80=98isnan=E2=80=99=20is=20ambiguous?= Date: Tue, 04 Mar 2014 11:14:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: redi at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: short_desc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-03/txt/msg00246.txt.bz2 Content-length: 745 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D60407 Jonathan Wakely changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|call of overloaded =E2=80=98isnan=E2=80=99 |[C++11call= of overloaded |is ambiguous |=E2=80=98isnan=E2=80=99 is= ambiguous --- Comment #8 from Jonathan Wakely --- (In reply to Dilawar Singh from comment #0) > In a large project, I get the following trace. This, however, compiled wi= th > g++4.7.x. Flag -std=3Dc++11 is enabled in both cases. Are you sure? I get the same result with GCC 4.7.4, but only with -std=3Dc++11 >>From gcc-bugs-return-445379-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Mar 04 11:16:42 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 15588 invoked by alias); 4 Mar 2014 11:16:42 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 15418 invoked by uid 48); 4 Mar 2014 11:16:38 -0000 From: "paolo.carlini at oracle dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/60409] [4.9 Regression] [c++1y] ICE on valid with template function Date: Tue, 04 Mar 2014 11:16:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: paolo.carlini at oracle dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: priority bug_status cf_reconfirmed_on target_milestone everconfirmed Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-03/txt/msg00248.txt.bz2 Content-length: 513 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60409 Paolo Carlini changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P1 Status|UNCONFIRMED |NEW Last reconfirmed| |2014-03-04 Target Milestone|--- |4.9.0 Ever confirmed|0 |1