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* [Bug fortran/107922] New: ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473
@ 2022-11-29 17:53 gscfq@t-online.de
2022-11-29 20:06 ` [Bug fortran/107922] " anlauf at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: gscfq@t-online.de @ 2022-11-29 17:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107922
Bug ID: 107922
Summary: ICE in gfc_simplify_unpack, at
fortran/simplify.cc:8473
Product: gcc
Version: 13.0
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
type t
end type
integer, parameter :: a(2) = 1
type(t), parameter :: b(2) = unpack(a,[.false.,.true.,.false.],a)
end
$ cat z2.f90
program p
type t
end type
integer, parameter :: a(2) = 1
type(t), parameter :: b(3) = unpack(a,[.false.,.true.,.false.],a)
end
$ gfortran-13-20221127 -c z1.f90
f951: internal compiler error: Segmentation fault
0xda00af crash_signal
../../gcc/toplev.cc:314
0x85b088 gfc_simplify_unpack(gfc_expr*, gfc_expr*, gfc_expr*)
../../gcc/fortran/simplify.cc:8473
0x7d2b3a do_simplify
../../gcc/fortran/intrinsic.cc:4677
0x7dda1a gfc_intrinsic_func_interface(gfc_expr*, int)
../../gcc/fortran/intrinsic.cc:5056
0x833fe8 resolve_unknown_f
../../gcc/fortran/resolve.cc:2990
0x833fe8 resolve_function
../../gcc/fortran/resolve.cc:3347
0x833fe8 gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.cc:7195
0x7c2704 gfc_reduce_init_expr(gfc_expr*)
../../gcc/fortran/expr.cc:3168
0x7c5690 gfc_match_init_expr(gfc_expr**)
../../gcc/fortran/expr.cc:3216
0x7af4fb variable_decl
../../gcc/fortran/decl.cc:3028
0x7af4fb gfc_match_data_decl()
../../gcc/fortran/decl.cc:6331
0x81bf43 match_word
../../gcc/fortran/parse.cc:67
0x81bf43 decode_statement
../../gcc/fortran/parse.cc:378
0x81d98a next_free
../../gcc/fortran/parse.cc:1402
0x81d98a next_statement
../../gcc/fortran/parse.cc:1634
0x81f3cb parse_spec
../../gcc/fortran/parse.cc:4190
0x8225dc parse_progunit
../../gcc/fortran/parse.cc:6237
0x823ca1 gfc_parse_file()
../../gcc/fortran/parse.cc:6782
0x871bef gfc_be_parse_file
../../gcc/fortran/f95-lang.cc:229
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/107922] ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473
2022-11-29 17:53 [Bug fortran/107922] New: ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473 gscfq@t-online.de
@ 2022-11-29 20:06 ` anlauf at gcc dot gnu.org
2022-12-01 20:26 ` anlauf at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: anlauf at gcc dot gnu.org @ 2022-11-29 20:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107922
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |anlauf at gcc dot gnu.org
Status|UNCONFIRMED |NEW
Last reconfirmed| |2022-11-29
Ever confirmed|0 |1
--- Comment #1 from anlauf at gcc dot gnu.org ---
Confirmed.
Potential patch:
diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc
index b6184181f26..24a3a9a1e90 100644
--- a/gcc/fortran/simplify.cc
+++ b/gcc/fortran/simplify.cc
@@ -8485,7 +8486,13 @@ gfc_simplify_unpack (gfc_expr *vector, gfc_expr *mask,
gfc_expr *field)
}
}
else if (field->expr_type == EXPR_ARRAY)
- e = gfc_copy_expr (field_ctor->expr);
+ if (field_ctor)
+ e = gfc_copy_expr (field_ctor->expr);
+ else
+ {
+ gfc_free_expr (result);
+ return &gfc_bad_expr;
+ }
else
e = gfc_copy_expr (field);
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/107922] ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473
2022-11-29 17:53 [Bug fortran/107922] New: ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473 gscfq@t-online.de
2022-11-29 20:06 ` [Bug fortran/107922] " anlauf at gcc dot gnu.org
@ 2022-12-01 20:26 ` anlauf at gcc dot gnu.org
2022-12-04 20:00 ` cvs-commit at gcc dot gnu.org
2022-12-05 20:34 ` anlauf at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: anlauf at gcc dot gnu.org @ 2022-12-01 20:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107922
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu.org
--- Comment #2 from anlauf at gcc dot gnu.org ---
Submitted: https://gcc.gnu.org/pipermail/fortran/2022-December/058563.html
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/107922] ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473
2022-11-29 17:53 [Bug fortran/107922] New: ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473 gscfq@t-online.de
2022-11-29 20:06 ` [Bug fortran/107922] " anlauf at gcc dot gnu.org
2022-12-01 20:26 ` anlauf at gcc dot gnu.org
@ 2022-12-04 20:00 ` cvs-commit at gcc dot gnu.org
2022-12-05 20:34 ` anlauf at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-12-04 20:00 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107922
--- 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:24b9337d1f1b5197b6498dceb9074319be003449
commit r13-4486-g24b9337d1f1b5197b6498dceb9074319be003449
Author: Harald Anlauf <anlauf@gmx.de>
Date: Thu Dec 1 21:16:46 2022 +0100
Fortran: error recovery simplifying UNPACK for insufficient FIELD
[PR107922]
gcc/fortran/ChangeLog:
PR fortran/107922
* simplify.cc (gfc_simplify_unpack): Terminate simplification when
array-valued argument FIELD does not provide enough elements.
gcc/testsuite/ChangeLog:
PR fortran/107922
* gfortran.dg/unpack_field_1.f90: New test.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/107922] ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473
2022-11-29 17:53 [Bug fortran/107922] New: ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473 gscfq@t-online.de
` (2 preceding siblings ...)
2022-12-04 20:00 ` cvs-commit at gcc dot gnu.org
@ 2022-12-05 20:34 ` anlauf at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: anlauf at gcc dot gnu.org @ 2022-12-05 20:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107922
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Target Milestone|--- |13.0
Status|ASSIGNED |RESOLVED
--- Comment #4 from anlauf at gcc dot gnu.org ---
Fixed on mainline for gcc-13. Closing.
Thanks for the report!
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-12-05 20:34 UTC | newest]
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2022-11-29 17:53 [Bug fortran/107922] New: ICE in gfc_simplify_unpack, at fortran/simplify.cc:8473 gscfq@t-online.de
2022-11-29 20:06 ` [Bug fortran/107922] " anlauf at gcc dot gnu.org
2022-12-01 20:26 ` anlauf at gcc dot gnu.org
2022-12-04 20:00 ` cvs-commit at gcc dot gnu.org
2022-12-05 20:34 ` anlauf at gcc dot gnu.org
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