From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 82B15385BC23; Tue, 14 Dec 2021 18:16:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 82B15385BC23 From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/103707] Stray "Array operands are incommensurate" Date: Tue, 14 Dec 2021 18:16:16 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 11.2.0 X-Bugzilla-Keywords: rejects-valid 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: 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: Tue, 14 Dec 2021 18:16:16 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103707 --- Comment #3 from G. Steinmetz --- A quick reduction yields z1 and for comparison z2 : $ cat z1.f90 program p real, parameter :: fmin(1) =3D 0. real, parameter :: fmax(1) =3D 1. print *, (fmax/fmin)**2 end $ cat z2.f90 program p real, parameter :: fmin =3D 0. real, parameter :: fmax =3D 1. print *, (fmax/fmin)**2 end $ gfortran-12-20211212 -c z1.f90 z1.f90:4:17: 4 | print *, (fmax/fmin)**2 | 1 Error: Array operands are incommensurate at (1) $ gfortran-12-20211212 -c z2.f90 z2.f90:4:17: 4 | print *, (fmax/fmin)**2 | 1 Error: Division by zero at (1)=