From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8F1B83858D1E; Tue, 5 Apr 2022 16:24:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8F1B83858D1E From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/105168] New: [9/10/11/12 Regression] ICE in gfc_maybe_dereference_var, at fortran/trans-expr.cc:2870 Date: Tue, 05 Apr 2022 16:24:51 +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: Tue, 05 Apr 2022 16:24:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105168 Bug ID: 105168 Summary: [9/10/11/12 Regression] ICE in gfc_maybe_dereference_var, at fortran/trans-expr.cc:2870 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: --- Started with r8, changed between 20190503 and 20190614 : (follow-up of pr104430) $ cat z1.f90 module m type t integer :: a end type contains function f(x) result(z) class(t) :: x(:) type(t) :: z(size(x%a)) end end program p use m class(t), allocatable :: y(:), z(:) z =3D f((y)) end $ gfortran-7 -c z1.f90 $ $ gfortran-12-20220403 -c z1.f90 z1.f90:14:13: 14 | z =3D f((y)) | 1 internal compiler error: Segmentation fault 0xcce34f crash_signal ../../gcc/toplev.cc:322 0x7d8cfd gfc_maybe_dereference_var(gfc_symbol*, tree_node*, bool, bool) ../../gcc/fortran/trans-expr.cc:2870 0x7e06fb gfc_conv_variable ../../gcc/fortran/trans-expr.cc:3065 0x7dc7da gfc_conv_expr(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.cc:9413 0x7df570 gfc_conv_expr_lhs(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.cc:9443 0x7afdf8 gfc_conv_ss_descriptor ../../gcc/fortran/trans-array.cc:3219 0x7ba85b gfc_conv_expr_descriptor(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-array.cc:7501 0x7f10ff gfc_conv_intrinsic_size ../../gcc/fortran/trans-intrinsic.cc:7975 0x807f8b gfc_conv_intrinsic_function(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-intrinsic.cc:10646 0x7dc7ba gfc_conv_expr(gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.cc:9405 0x7deb8a gfc_apply_interface_mapping(gfc_interface_mapping*, gfc_se*, gfc_expr*) ../../gcc/fortran/trans-expr.cc:4867 0x7aeb57 gfc_set_loop_bounds_from_array_spec(gfc_interface_mapping*, gfc_se= *, gfc_array_spec*) ../../gcc/fortran/trans-array.cc:1080 0x7ea037 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*, gfc_expr*, vec*) ../../gcc/fortran/trans-expr.cc:7479 0x7eb93c gfc_trans_arrayfunc_assign ../../gcc/fortran/trans-expr.cc:10880 0x7ef614 gfc_trans_assignment(gfc_expr*, gfc_expr*, bool, bool, bool, bool) ../../gcc/fortran/trans-expr.cc:12045 0x7ab6c7 trans_code ../../gcc/fortran/trans.cc:1916 0x7d4b7e gfc_generate_function_code(gfc_namespace*) ../../gcc/fortran/trans-decl.cc:7654 0x75734e translate_all_program_units ../../gcc/fortran/parse.cc:6669 0x75734e gfc_parse_file() ../../gcc/fortran/parse.cc:6956 0x7a47df gfc_be_parse_file ../../gcc/fortran/f95-lang.cc:216=