From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 51B073858C60; Mon, 20 Sep 2021 19:11:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 51B073858C60 From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/102417] New: Wrong error message about character length with -std=f2018 Date: Mon, 20 Sep 2021 19:11:45 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gscfq@t-online.de X-Bugzilla-Status: UNCONFIRMED 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: 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: Mon, 20 Sep 2021 19:11:45 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102417 Bug ID: 102417 Summary: Wrong error message about character length with -std=3Df2018 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: gscfq@t-online.de Target Milestone: --- An embedded AC together with option -std=3Df2018 (or f2008 etc.) produces a misleading error message. Typespec is explicitly given. Affects versions down to at least r5. That unique error message comes from line 1888 in decl.c. Issue is eventually related to pr102315. $ cat z1.f90 program p character :: x =3D 'a' character(4) :: y(3) y =3D [[character(4) :: x, 'b', 'c']] print *, y end $ gfortran-12-20210919 -c z1.f90 -std=3Df2018 -Wall z1.f90:4:27: 4 | y =3D [[character(4) :: x, 'b', 'c']] | 1 Warning: CHARACTER expression at (1) is being truncated (4/1) [-Wcharacter-truncation] z1.f90:4:27: Error: The CHARACTER elements of the array constructor at (1) = must have the same length (4/1) z1.f90:4:32: 4 | y =3D [[character(4) :: x, 'b', 'c']] | 1 Warning: CHARACTER expression at (1) is being truncated (4/1) [-Wcharacter-truncation] z1.f90:4:32: Error: The CHARACTER elements of the array constructor at (1) = must have the same length (4/1)=