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* [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295
@ 2023-01-23 17:48 gscfq@t-online.de
2023-01-23 20:12 ` [Bug fortran/108502] " anlauf at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: gscfq@t-online.de @ 2023-01-23 17:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
Bug ID: 108502
Summary: ICE in gfc_check_dependency, at
fortran/dependency.cc:1295
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
integer function n()
integer :: a(1)
a = [1] / 0
end
program p
integer :: b = n()
end
$ cat z3.f90
integer function n()
implicit none
integer :: a(1)
a = [1] / 0
n = 1
end
program p
implicit none
integer :: n
integer :: b = n()
end
$ cat z5.f90
integer function n()
implicit none
integer :: a(1)
a = [1] / 0
n = 1
end
program p
integer, parameter :: b = n()
end
$ gfortran-13-20230122 -c z1.f90 -O2
f951: internal compiler error: Segmentation fault
0xdaa49f crash_signal
../../gcc/toplev.cc:314
0x86f6e1 gfc_check_dependency(gfc_expr*, gfc_expr*, bool)
../../gcc/fortran/dependency.cc:1295
0x86f70a gfc_check_dependency(gfc_expr*, gfc_expr*, bool)
../../gcc/fortran/dependency.cc:1298
0x90be8b optimize_assignment
../../gcc/fortran/frontend-passes.cc:1684
0x90be8b optimize_code
../../gcc/fortran/frontend-passes.cc:329
0x90f679 gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int
(*)(gfc_expr**, int*, void*), void*)
../../gcc/fortran/frontend-passes.cc:5352
0x910a2a optimize_namespace
../../gcc/fortran/frontend-passes.cc:1479
0x910e7f gfc_run_passes(gfc_namespace*)
../../gcc/fortran/frontend-passes.cc:169
0x8417a8 gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.cc:17673
0x841bab gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.cc:2635
0x841bab resolve_global_procedure
../../gcc/fortran/resolve.cc:2637
0x838a66 resolve_function
../../gcc/fortran/resolve.cc:3306
0x838a66 gfc_resolve_expr(gfc_expr*)
../../gcc/fortran/resolve.cc:7195
0x7c77a4 gfc_reduce_init_expr(gfc_expr*)
../../gcc/fortran/expr.cc:3168
0x7ca700 gfc_match_init_expr(gfc_expr**)
../../gcc/fortran/expr.cc:3216
0x7b442b variable_decl
../../gcc/fortran/decl.cc:3036
0x7b442b gfc_match_data_decl()
../../gcc/fortran/decl.cc:6343
0x8215d3 match_word
../../gcc/fortran/parse.cc:67
0x8215d3 decode_statement
../../gcc/fortran/parse.cc:378
0x82301a next_free
../../gcc/fortran/parse.cc:1403
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
@ 2023-01-23 20:12 ` anlauf at gcc dot gnu.org
2023-01-23 21:24 ` anlauf at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: anlauf at gcc dot gnu.org @ 2023-01-23 20:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2023-01-23
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
CC| |anlauf at gcc dot gnu.org
--- Comment #1 from anlauf at gcc dot gnu.org ---
Confirmed. A NULL pointer dereference during error handling.
Required option: -ffrontend-optimize
I have a patch.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
2023-01-23 20:12 ` [Bug fortran/108502] " anlauf at gcc dot gnu.org
@ 2023-01-23 21:24 ` anlauf at gcc dot gnu.org
2023-01-23 21:51 ` cvs-commit at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: anlauf at gcc dot gnu.org @ 2023-01-23 21:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
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/2023-January/058820.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
2023-01-23 20:12 ` [Bug fortran/108502] " anlauf at gcc dot gnu.org
2023-01-23 21:24 ` anlauf at gcc dot gnu.org
@ 2023-01-23 21:51 ` cvs-commit at gcc dot gnu.org
2023-01-28 21:45 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2023-01-23 21:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
--- 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:51767f31878a95161142254dca7119b409699670
commit r13-5315-g51767f31878a95161142254dca7119b409699670
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Jan 23 22:13:44 2023 +0100
Fortran: fix NULL pointer dereference in gfc_check_dependency [PR108502]
gcc/fortran/ChangeLog:
PR fortran/108502
* dependency.cc (gfc_check_dependency): Prevent NULL pointer
dereference while recursively checking expressions.
gcc/testsuite/ChangeLog:
PR fortran/108502
* gfortran.dg/pr108502.f90: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
` (2 preceding siblings ...)
2023-01-23 21:51 ` cvs-commit at gcc dot gnu.org
@ 2023-01-28 21:45 ` cvs-commit at gcc dot gnu.org
2023-02-04 15:43 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2023-01-28 21:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:
https://gcc.gnu.org/g:4c6475148ac5d53449948665d7d94cfee5b549ac
commit r12-9075-g4c6475148ac5d53449948665d7d94cfee5b549ac
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Jan 23 22:13:44 2023 +0100
Fortran: fix NULL pointer dereference in gfc_check_dependency [PR108502]
gcc/fortran/ChangeLog:
PR fortran/108502
* dependency.cc (gfc_check_dependency): Prevent NULL pointer
dereference while recursively checking expressions.
gcc/testsuite/ChangeLog:
PR fortran/108502
* gfortran.dg/pr108502.f90: New test.
(cherry picked from commit 51767f31878a95161142254dca7119b409699670)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
` (3 preceding siblings ...)
2023-01-28 21:45 ` cvs-commit at gcc dot gnu.org
@ 2023-02-04 15:43 ` cvs-commit at gcc dot gnu.org
2023-02-05 18:55 ` cvs-commit at gcc dot gnu.org
2023-02-05 18:59 ` anlauf at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2023-02-04 15:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
--- 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:d7ec0bdfeae883d852d7c0dfc67766a3793f5892
commit r11-10503-gd7ec0bdfeae883d852d7c0dfc67766a3793f5892
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Jan 23 22:13:44 2023 +0100
Fortran: fix NULL pointer dereference in gfc_check_dependency [PR108502]
gcc/fortran/ChangeLog:
PR fortran/108502
* dependency.c (gfc_check_dependency): Prevent NULL pointer
dereference while recursively checking expressions.
gcc/testsuite/ChangeLog:
PR fortran/108502
* gfortran.dg/pr108502.f90: New test.
(cherry picked from commit 51767f31878a95161142254dca7119b409699670)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
` (4 preceding siblings ...)
2023-02-04 15:43 ` cvs-commit at gcc dot gnu.org
@ 2023-02-05 18:55 ` cvs-commit at gcc dot gnu.org
2023-02-05 18:59 ` anlauf at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2023-02-05 18:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Harald Anlauf
<anlauf@gcc.gnu.org>:
https://gcc.gnu.org/g:c67d76171e87d3ce364400684a654712047058b1
commit r10-11195-gc67d76171e87d3ce364400684a654712047058b1
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Jan 23 22:13:44 2023 +0100
Fortran: fix NULL pointer dereference in gfc_check_dependency [PR108502]
gcc/fortran/ChangeLog:
PR fortran/108502
* dependency.c (gfc_check_dependency): Prevent NULL pointer
dereference while recursively checking expressions.
gcc/testsuite/ChangeLog:
PR fortran/108502
* gfortran.dg/pr108502.f90: New test.
(cherry picked from commit 51767f31878a95161142254dca7119b409699670)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug fortran/108502] ICE in gfc_check_dependency, at fortran/dependency.cc:1295
2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
` (5 preceding siblings ...)
2023-02-05 18:55 ` cvs-commit at gcc dot gnu.org
@ 2023-02-05 18:59 ` anlauf at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: anlauf at gcc dot gnu.org @ 2023-02-05 18:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108502
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |10.5
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #7 from anlauf at gcc dot gnu.org ---
Fixed on all open branches. Closing.
Thanks for the report!
^ permalink raw reply [flat|nested] 8+ messages in thread
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2023-01-23 17:48 [Bug fortran/108502] New: ICE in gfc_check_dependency, at fortran/dependency.cc:1295 gscfq@t-online.de
2023-01-23 20:12 ` [Bug fortran/108502] " anlauf at gcc dot gnu.org
2023-01-23 21:24 ` anlauf at gcc dot gnu.org
2023-01-23 21:51 ` cvs-commit at gcc dot gnu.org
2023-01-28 21:45 ` cvs-commit at gcc dot gnu.org
2023-02-04 15:43 ` cvs-commit at gcc dot gnu.org
2023-02-05 18:55 ` cvs-commit at gcc dot gnu.org
2023-02-05 18:59 ` anlauf at gcc dot gnu.org
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