From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0C1AB385829B; Wed, 7 Feb 2024 22:36:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0C1AB385829B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1707345418; bh=2qO75EF7yIJPego+77xfcO2KW+pSrel7JN1unVfVbz8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=iBva0SA3mT546gwrGeaaIXcDOAmTwZp/hQWp+vYgXw7KszODCRMbvQdYixi2JlrzI sHWbJBrgrYbOHQLxboPXA5wALkS4W4hO2IG2uSVfDtghcsMl5Hta68Eb7UQoDIIDwq 2FsFAEBag44+lkDiypGWjv4nChUmfCMnJQjB1xwM= From: "anlauf at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/113799] gfc_replace_expr: double free detected ? Date: Wed, 07 Feb 2024 22:36:57 +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: 14.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: anlauf 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: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113799 --- Comment #4 from anlauf at gcc dot gnu.org --- It's the simplification of minval: program p implicit none real, parameter :: inf =3D real(z'7F800000') real, parameter :: someInf(*) =3D [inf, 0.] print *, minval(-someInf) end pr113799.f90:5:26: 5 | print *, minval(-someInf) | 1 Error: Arithmetic overflow at (1) free(): invalid pointer f951: internal compiler error: Aborted 0x10e0f3f crash_signal ../../gcc-trunk/gcc/toplev.cc:317 0x99d4f8 gfc_replace_expr(gfc_expr*, gfc_expr*) ../../gcc-trunk/gcc/fortran/expr.cc:640 0x99d4f8 simplify_intrinsic_op ../../gcc-trunk/gcc/fortran/expr.cc:1324 0x99d4f8 gfc_simplify_expr(gfc_expr*, int) ../../gcc-trunk/gcc/fortran/expr.cc:2320 0xa2c469 resolve_operator ../../gcc-trunk/gcc/fortran/resolve.cc:4605 0xa288c5 gfc_resolve_expr(gfc_expr*) ../../gcc-trunk/gcc/fortran/resolve.cc:7342 [...]=