From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AF966387701A; Wed, 11 Mar 2020 09:36:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AF966387701A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1583919396; bh=jOpZB5I7Qw+dhPL9Qg43q1gW/pnfbPVZdmR96+Hh6mI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RUl6UsFaiiFvagOx40QETFlmHlj9n+HVSOCLAePeDmZjMG/iaJWSiOHMU/so/+clM lpbcm+YZ3bsMLFUNMg9nFCQPOB8/ElHG3QRyTamWfitWJYssibq1wUd799qt+xnMjg IELm25FlXQFDGt43Gnya3XL+JTf0Wr60Y8mMeuck= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/94128] ICE on C++20 "requires requires" with lambda Date: Wed, 11 Mar 2020 09:36:36 +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: 10.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin 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: version bug_status everconfirmed cf_reconfirmed_on cc 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-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Mar 2020 09:36:36 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94128 Martin Li=C5=A1ka changed: What |Removed |Added ---------------------------------------------------------------------------- Version|unknown |10.0 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Last reconfirmed| |2020-03-11 CC| |jason at gcc dot gnu.org, | |marxin at gcc dot gnu.org --- Comment #1 from Martin Li=C5=A1ka --- Is it really a valid code? Started to ICE with r10-3735-gcb57504a55015891, before that we rejected the code: pr94128.cc:1:11: warning: use of =E2=80=98auto=E2=80=99 in parameter declar= ation only available with =E2=80=98-fconcepts=E2=80=99 1 | void test(auto param) | ^~~~ pr94128.cc:2:3: error: =E2=80=98requires=E2=80=99 only available with =E2= =80=98-fconcepts=E2=80=99 2 | requires requires{ { [](auto p){return p;}(param) }; }; | ^~~~~~~~ pr94128.cc:2:12: error: =E2=80=98requires=E2=80=99 was not declared in this= scope 2 | requires requires{ { [](auto p){return p;}(param) }; }; | ^~~~~~~~ pr94128.cc: In function =E2=80=98void test(auto:1)=E2=80=99: pr94128.cc:2:52: error: expected =E2=80=98;=E2=80=99 before =E2=80=98}=E2= =80=99 token 2 | requires requires{ { [](auto p){return p;}(param) }; }; | ^~=