From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9674F3850401; Fri, 28 May 2021 15:14:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9674F3850401 From: "neil.n.carlson at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/100815] New: [11 regression] Segfault assigning to scalar allocatable polymorphic LHS Date: Fri, 28 May 2021 15:14:45 +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: 11.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: neil.n.carlson at gmail dot com 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: Fri, 28 May 2021 15:14:45 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100815 Bug ID: 100815 Summary: [11 regression] Segfault assigning to scalar allocatable polymorphic LHS Product: gcc Version: 11.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: neil.n.carlson at gmail dot com Target Milestone: --- The current head of the gcc-11 branch segfaults on the assignment statement= in the following program. The program runs without error with the 10.x and 9.x compilers. type, abstract :: func end type type, extends(func) :: const_func real :: c =3D 0.0 end type type :: func_box class(func), allocatable :: f end type type :: foo type(func_box), allocatable :: farray(:) end type type(const_func) :: f type(foo) :: this allocate(this%farray(2)) this%farray(size(this%farray))%f =3D f end=