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* [Bug c++/65985] New: compiler segfault with assert() in constexpr constructor body @ 2015-05-02 20:15 rhalbersma at gmail dot com 2015-05-02 20:19 ` [Bug c++/65985] " rhalbersma at gmail dot com ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: rhalbersma at gmail dot com @ 2015-05-02 20:15 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65985 Bug ID: 65985 Summary: compiler segfault with assert() in constexpr constructor body Product: gcc Version: 5.1.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: rhalbersma at gmail dot com Target Milestone: --- The following code segfaults with -std=c++1y for g++ 5.1.0 and trunk 20150502 on the combination of constexpr and assert() in the constructor body (removing either the constexpr keyword everywhere or the assert() will compile cleanly). #include <cassert> class Angle { int degrees = 0; constexpr auto invariant() const noexcept { return 0 <= degrees && degrees < 360; } public: explicit constexpr Angle(int n) noexcept : degrees{n % 360} { assert(invariant()); } /* implicit */ constexpr operator auto() const noexcept { return degrees; } }; int main() { static_assert(Angle{360} == 0, ""); } This code correctly compiles with -std=c++14 from Clang 3.3 and higher. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/65985] compiler segfault with assert() in constexpr constructor body 2015-05-02 20:15 [Bug c++/65985] New: compiler segfault with assert() in constexpr constructor body rhalbersma at gmail dot com @ 2015-05-02 20:19 ` rhalbersma at gmail dot com 2015-05-04 10:36 ` [Bug c++/65985] [5/6 Regression] " mpolacek at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rhalbersma at gmail dot com @ 2015-05-02 20:19 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65985 --- Comment #1 from rhalbersma <rhalbersma at gmail dot com> --- See also LWG active issue 2234 http://cplusplus.github.io/LWG/lwg-active.html#2234 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/65985] [5/6 Regression] compiler segfault with assert() in constexpr constructor body 2015-05-02 20:15 [Bug c++/65985] New: compiler segfault with assert() in constexpr constructor body rhalbersma at gmail dot com 2015-05-02 20:19 ` [Bug c++/65985] " rhalbersma at gmail dot com @ 2015-05-04 10:36 ` mpolacek at gcc dot gnu.org 2015-05-04 10:46 ` mpolacek at gcc dot gnu.org 2015-05-04 11:28 ` daniel.kruegler at googlemail dot com 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2015-05-04 10:36 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65985 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |5.2 Summary|compiler segfault with |[5/6 Regression] compiler |assert() in constexpr |segfault with assert() in |constructor body |constexpr constructor body ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/65985] [5/6 Regression] compiler segfault with assert() in constexpr constructor body 2015-05-02 20:15 [Bug c++/65985] New: compiler segfault with assert() in constexpr constructor body rhalbersma at gmail dot com 2015-05-02 20:19 ` [Bug c++/65985] " rhalbersma at gmail dot com 2015-05-04 10:36 ` [Bug c++/65985] [5/6 Regression] " mpolacek at gcc dot gnu.org @ 2015-05-04 10:46 ` mpolacek at gcc dot gnu.org 2015-05-04 11:28 ` daniel.kruegler at googlemail dot com 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2015-05-04 10:46 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65985 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE --- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Actually I think it's a dup. *** This bug has been marked as a duplicate of bug 65973 *** ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/65985] [5/6 Regression] compiler segfault with assert() in constexpr constructor body 2015-05-02 20:15 [Bug c++/65985] New: compiler segfault with assert() in constexpr constructor body rhalbersma at gmail dot com ` (2 preceding siblings ...) 2015-05-04 10:46 ` mpolacek at gcc dot gnu.org @ 2015-05-04 11:28 ` daniel.kruegler at googlemail dot com 3 siblings, 0 replies; 5+ messages in thread From: daniel.kruegler at googlemail dot com @ 2015-05-04 11:28 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65985 --- Comment #4 from Daniel Krügler <daniel.kruegler at googlemail dot com> --- (In reply to Marek Polacek from comment #3) > Actually I think it's a dup. Can we nonetheless ensure that the assert example would become a test case? >From gcc-bugs-return-485367-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon May 04 11:32:16 2015 Return-Path: <gcc-bugs-return-485367-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 130019 invoked by alias); 4 May 2015 11:32:16 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 129972 invoked by uid 48); 4 May 2015 11:32:13 -0000 From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/65973] [5/6 Regression] segmentation fault when compiling C++14 code Date: Mon, 04 May 2015 11:32:00 -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: 6.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: 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: Message-ID: <bug-65973-4-8c3aDVs4TE@http.gcc.gnu.org/bugzilla/> In-Reply-To: <bug-65973-4@http.gcc.gnu.org/bugzilla/> References: <bug-65973-4@http.gcc.gnu.org/bugzilla/> 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: 2015-05/txt/msg00207.txt.bz2 Content-length: 185 https://gcc.gnu.org/bugzilla/show_bug.cgi?ide973 --- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- When fixing this, remember to also add the testcase in PR65985. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2015-05-04 11:28 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2015-05-02 20:15 [Bug c++/65985] New: compiler segfault with assert() in constexpr constructor body rhalbersma at gmail dot com 2015-05-02 20:19 ` [Bug c++/65985] " rhalbersma at gmail dot com 2015-05-04 10:36 ` [Bug c++/65985] [5/6 Regression] " mpolacek at gcc dot gnu.org 2015-05-04 10:46 ` mpolacek at gcc dot gnu.org 2015-05-04 11:28 ` daniel.kruegler at googlemail dot com
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