public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794
@ 2022-01-31 20:03 gscfq@t-online.de
  2022-01-31 20:14 ` [Bug fortran/104314] " kargl at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: gscfq@t-online.de @ 2022-01-31 20:03 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104314

            Bug ID: 104314
           Summary: ICE in deferred_op_assign, at fortran/resolve.cc:11794
           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: ---

Affects versions down to at least r5 :


$ cat z1.f90
program p
   character(:), allocatable :: c(:)
   c = ['123']
   c = c == c
end


$ gfortran-12-20220130 -c z1.f90
z1.f90:4:7:

    4 |    c = c == c
      |       1
Error: Cannot convert LOGICAL(4) to CHARACTER(0) at (1)
f951: internal compiler error: Segmentation fault
0xe6e49f crash_signal
        ../../gcc/toplev.cc:322
0x7a979c deferred_op_assign
        ../../gcc/fortran/resolve.cc:11794
0x7a979c gfc_resolve_code(gfc_code*, gfc_namespace*)
        ../../gcc/fortran/resolve.cc:12063
0x7a98e7 resolve_codes
        ../../gcc/fortran/resolve.cc:17537
0x7a99ae gfc_resolve(gfc_namespace*)
        ../../gcc/fortran/resolve.cc:17572
0x791cd4 resolve_all_program_units
        ../../gcc/fortran/parse.cc:6586
0x791cd4 gfc_parse_file()
        ../../gcc/fortran/parse.cc:6842
0x7dff7f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.cc:216

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug fortran/104314] ICE in deferred_op_assign, at fortran/resolve.cc:11794
  2022-01-31 20:03 [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794 gscfq@t-online.de
@ 2022-01-31 20:14 ` kargl at gcc dot gnu.org
  2022-01-31 21:17 ` sgk at troutmask dot apl.washington.edu
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: kargl at gcc dot gnu.org @ 2022-01-31 20:14 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104314

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |kargl at gcc dot gnu.org
           Priority|P3                          |P4
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-01-31

--- Comment #1 from kargl at gcc dot gnu.org ---
Untested patch.

diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc
index 835a4783718..d18404da09d 100644
--- a/gcc/fortran/resolve.cc
+++ b/gcc/fortran/resolve.cc
@@ -11784,6 +11784,9 @@ deferred_op_assign (gfc_code **code, gfc_namespace *ns)
   if (gfc_expr_attr ((*code)->expr1).pointer)
     return false;

+  if ((*code)->expr1->ts.type != (*code)->expr2->ts.type)
+    return false;
+
   tmp_expr = get_temp_from_expr ((*code)->expr1, ns);
   tmp_expr->where = (*code)->loc;

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug fortran/104314] ICE in deferred_op_assign, at fortran/resolve.cc:11794
  2022-01-31 20:03 [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794 gscfq@t-online.de
  2022-01-31 20:14 ` [Bug fortran/104314] " kargl at gcc dot gnu.org
@ 2022-01-31 21:17 ` sgk at troutmask dot apl.washington.edu
  2022-09-05 21:00 ` anlauf at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: sgk at troutmask dot apl.washington.edu @ 2022-01-31 21:17 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104314

--- Comment #2 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Mon, Jan 31, 2022 at 08:14:39PM +0000, kargl at gcc dot gnu.org wrote:
> 
> --- Comment #1 from kargl at gcc dot gnu.org ---
> Untested patch.
> 

Seems to pass regression testing.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug fortran/104314] ICE in deferred_op_assign, at fortran/resolve.cc:11794
  2022-01-31 20:03 [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794 gscfq@t-online.de
  2022-01-31 20:14 ` [Bug fortran/104314] " kargl at gcc dot gnu.org
  2022-01-31 21:17 ` sgk at troutmask dot apl.washington.edu
@ 2022-09-05 21:00 ` anlauf at gcc dot gnu.org
  2022-09-15 20:15 ` cvs-commit at gcc dot gnu.org
  2022-09-15 20:24 ` anlauf at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: anlauf at gcc dot gnu.org @ 2022-09-05 21:00 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104314

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anlauf at gcc dot gnu.org

--- Comment #3 from anlauf at gcc dot gnu.org ---
(In reply to kargl from comment #1)
> Untested patch.

Yes, that works.  Even shorter:

diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc
index ca114750f65..3834f9a3f06 100644
--- a/gcc/fortran/resolve.cc
+++ b/gcc/fortran/resolve.cc
@@ -11803,6 +11803,7 @@ deferred_op_assign (gfc_code **code, gfc_namespace *ns)

   if (!((*code)->expr1->ts.type == BT_CHARACTER
         && (*code)->expr1->ts.deferred && (*code)->expr1->rank
+        && (*code)->expr2->ts.type == BT_CHARACTER
         && (*code)->expr2->expr_type == EXPR_OP))
     return false;

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug fortran/104314] ICE in deferred_op_assign, at fortran/resolve.cc:11794
  2022-01-31 20:03 [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794 gscfq@t-online.de
                   ` (2 preceding siblings ...)
  2022-09-05 21:00 ` anlauf at gcc dot gnu.org
@ 2022-09-15 20:15 ` cvs-commit at gcc dot gnu.org
  2022-09-15 20:24 ` anlauf at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-09-15 20:15 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104314

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Harald Anlauf <anlauf@gcc.gnu.org>:

https://gcc.gnu.org/g:7bd4deb2a7c1394550610ab27507d1ed2af817c2

commit r13-2690-g7bd4deb2a7c1394550610ab27507d1ed2af817c2
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Thu Sep 15 22:06:53 2022 +0200

    Fortran: error recovery for bad deferred character length assignment
[PR104314]

    gcc/fortran/ChangeLog:

            PR fortran/104314
            * resolve.cc (deferred_op_assign): Do not try to generate temporary
            for deferred character length assignment if types do not agree.

    gcc/testsuite/ChangeLog:

            PR fortran/104314
            * gfortran.dg/pr104314.f90: New test.

    Co-authored-by: Steven G. Kargl <kargl@gcc.gnu.org>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug fortran/104314] ICE in deferred_op_assign, at fortran/resolve.cc:11794
  2022-01-31 20:03 [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794 gscfq@t-online.de
                   ` (3 preceding siblings ...)
  2022-09-15 20:15 ` cvs-commit at gcc dot gnu.org
@ 2022-09-15 20:24 ` anlauf at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: anlauf at gcc dot gnu.org @ 2022-09-15 20:24 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104314

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #5 from anlauf at gcc dot gnu.org ---
Fixed on mainline.  Closing.

Thanks for the report!

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-09-15 20:24 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-31 20:03 [Bug fortran/104314] New: ICE in deferred_op_assign, at fortran/resolve.cc:11794 gscfq@t-online.de
2022-01-31 20:14 ` [Bug fortran/104314] " kargl at gcc dot gnu.org
2022-01-31 21:17 ` sgk at troutmask dot apl.washington.edu
2022-09-05 21:00 ` anlauf at gcc dot gnu.org
2022-09-15 20:15 ` cvs-commit at gcc dot gnu.org
2022-09-15 20:24 ` anlauf at gcc dot gnu.org

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).