From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 847 invoked by alias); 20 May 2012 20:01:11 -0000 Received: (qmail 839 invoked by uid 22791); 20 May 2012 20:01:10 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 20 May 2012 20:00:56 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/53401] [C++11] internal compiler error: Segmentation fault on infinite argument deduction of constexpr templates Date: Sun, 20 May 2012 20:01:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: diagnostic, ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Keywords Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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 X-SW-Source: 2012-05/txt/msg01946.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D53401 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic --- Comment #1 from Andrew Pinski 2012-05-20 1= 9:15:39 UTC --- t6.cc:11:16: error: template instantiation depth exceeds maximum of 900 (use -ftemplate-depth=3D to increase the maximum) instantiating =E2=80=98struct = index<-898>=E2=80=99 constexpr auto recursive_impl(index) // Line 11 ^ t6.cc:11:16: recursively required by substitution of =E2=80=98template constexpr decltype (recursive_impl(index<(N - 1)>())) recursive_impl(index<= N>) [with int N =3D 0]=E2=80=99 t6.cc:11:16: required by substitution of =E2=80=98template constex= pr decltype (recursive_impl(index<(N - 1)>())) recursive_impl(index) [with int N =3D= 1]=E2=80=99 t6.cc:18:16: required by substitution of =E2=80=98template constex= pr decltype (recursive_impl(index())) recursive() [with int N =3D 1]=E2=80=99 t6.cc:26:16: required from here t6.cc:11:16: error: template instantiation depth exceeds maximum of 900 (use -ftemplate-depth=3D to increase the maximum) instantiating =E2=80=98struct = index<-899>=E2=80=99 t6.cc:11:16: recursively required by substitution of =E2=80=98template constexpr decltype (recursive_impl(index<(N - 1)>())) recursive_impl(index<= N>) [with int N =3D 0]=E2=80=99 t6.cc:11:16: required by substitution of =E2=80=98template constex= pr decltype (recursive_impl(index())) recursive() [with int N =3D 1]=E2=80=99 t6.cc:26:16: required from here And then an infinite loop.