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* [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118
@ 2021-12-20 17:51 gscfq@t-online.de
2021-12-20 20:03 ` [Bug fortran/103776] " anlauf at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: gscfq@t-online.de @ 2021-12-20 17:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
Bug ID: 103776
Summary: ICE in gfc_compare_string, at fortran/arith.c:1118
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: ---
Follow-up of pr103591, affects versions down to at least r5 :
$ cat z1.f90
program p
integer :: n
select case (n)
case (['1']:2)
end select
end
$ cat z3.f90
program p
integer :: n
select case (n)
case(['1']:['2'])
end select
end
$ gfortran-12-20211219 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd6d1ff crash_signal
../../gcc/toplev.c:322
0x7663ba gfc_compare_string(gfc_expr*, gfc_expr*)
../../gcc/fortran/arith.c:1118
0x80c2b6 resolve_select
../../gcc/fortran/resolve.c:8784
0x815c67 gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:12165
0x817b27 resolve_codes
../../gcc/fortran/resolve.c:17532
0x817bee gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17567
0x7fff14 resolve_all_program_units
../../gcc/fortran/parse.c:6586
0x7fff14 gfc_parse_file()
../../gcc/fortran/parse.c:6842
0x84d53f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/103776] ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-20 17:51 [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118 gscfq@t-online.de
@ 2021-12-20 20:03 ` anlauf at gcc dot gnu.org
2021-12-20 21:08 ` anlauf at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-20 20:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
CC| |anlauf at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed| |2021-12-20
--- Comment #1 from anlauf at gcc dot gnu.org ---
Testing the following obvious patch:
diff --git a/gcc/fortran/match.c b/gcc/fortran/match.c
index 52bc5af7542..49a9e933ea3 100644
--- a/gcc/fortran/match.c
+++ b/gcc/fortran/match.c
@@ -6088,6 +6088,19 @@ match_case_selector (gfc_case **cp)
}
}
+ if (c->low && c->low->rank != 0)
+ {
+ gfc_error ("Expression in CASE statement at %L must be scalar",
+ &c->low->where);
+ goto cleanup;
+ }
+ if (c->high && c->high->rank != 0)
+ {
+ gfc_error ("Expression in CASE statement at %L must be scalar",
+ &c->high->where);
+ goto cleanup;
+ }
+
*cp = c;
return MATCH_YES;
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/103776] ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-20 17:51 [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118 gscfq@t-online.de
2021-12-20 20:03 ` [Bug fortran/103776] " anlauf at gcc dot gnu.org
@ 2021-12-20 21:08 ` anlauf at gcc dot gnu.org
2021-12-22 19:09 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-20 21:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #2 from anlauf at gcc dot gnu.org ---
Submitted: https://gcc.gnu.org/pipermail/fortran/2021-December/057213.html
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/103776] ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-20 17:51 [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118 gscfq@t-online.de
2021-12-20 20:03 ` [Bug fortran/103776] " anlauf at gcc dot gnu.org
2021-12-20 21:08 ` anlauf at gcc dot gnu.org
@ 2021-12-22 19:09 ` cvs-commit at gcc dot gnu.org
2021-12-22 19:11 ` anlauf at gcc dot gnu.org
2021-12-27 20:17 ` cvs-commit at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-12-22 19:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
--- Comment #3 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:5474092c9afbd76cbd457facce3757d8d2fad07b
commit r12-6100-g5474092c9afbd76cbd457facce3757d8d2fad07b
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Dec 20 22:01:05 2021 +0100
Fortran: CASE selector expressions must be scalar
gcc/fortran/ChangeLog:
PR fortran/103776
* match.c (match_case_selector): Reject expressions in CASE
selector which are not scalar.
gcc/testsuite/ChangeLog:
PR fortran/103776
* gfortran.dg/select_10.f90: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/103776] ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-20 17:51 [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118 gscfq@t-online.de
` (2 preceding siblings ...)
2021-12-22 19:09 ` cvs-commit at gcc dot gnu.org
@ 2021-12-22 19:11 ` anlauf at gcc dot gnu.org
2021-12-27 20:17 ` cvs-commit at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-22 19:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from anlauf at gcc dot gnu.org ---
Fixed for gcc-12.
Thanks for the report!
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/103776] ICE in gfc_compare_string, at fortran/arith.c:1118
2021-12-20 17:51 [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118 gscfq@t-online.de
` (3 preceding siblings ...)
2021-12-22 19:11 ` anlauf at gcc dot gnu.org
@ 2021-12-27 20:17 ` cvs-commit at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-12-27 20:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103776
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:
https://gcc.gnu.org/g:3c830e6d17b12aff2875b6e80e77774404f09153
commit r11-9419-g3c830e6d17b12aff2875b6e80e77774404f09153
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Dec 20 22:01:05 2021 +0100
Fortran: CASE selector expressions must be scalar
gcc/fortran/ChangeLog:
PR fortran/103776
* match.c (match_case_selector): Reject expressions in CASE
selector which are not scalar.
gcc/testsuite/ChangeLog:
PR fortran/103776
* gfortran.dg/select_10.f90: New test.
(cherry picked from commit 5474092c9afbd76cbd457facce3757d8d2fad07b)
^ permalink raw reply [flat|nested] 6+ messages in thread
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2021-12-20 17:51 [Bug fortran/103776] New: ICE in gfc_compare_string, at fortran/arith.c:1118 gscfq@t-online.de
2021-12-20 20:03 ` [Bug fortran/103776] " anlauf at gcc dot gnu.org
2021-12-20 21:08 ` anlauf at gcc dot gnu.org
2021-12-22 19:09 ` cvs-commit at gcc dot gnu.org
2021-12-22 19:11 ` anlauf at gcc dot gnu.org
2021-12-27 20:17 ` cvs-commit at gcc dot gnu.org
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