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* [Bug fortran/103719] New: [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465
@ 2021-12-14 18:14 gscfq@t-online.de
2021-12-14 19:34 ` [Bug fortran/103719] " anlauf at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: gscfq@t-online.de @ 2021-12-14 18:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103719
Bug ID: 103719
Summary: [11/12 Regression] ICE in
doloop_contained_procedure_code, at
fortran/frontend-passes.c:2465
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: ---
Changed between 20200726 and 20200809 :
(gcc configured with --enable-checking=yes)
(presumably related to pr103718)
$ cat z1.f90
program p
integer :: i
do i = 1, 2
call s
end do
contains
subroutine s
integer :: n
inquire (iolength=n) 0
end
end
$ gfortran-12-20211212 -c z1.f90
f951: internal compiler error: Segmentation fault
0xf12d1f crash_signal
../../gcc/toplev.c:322
0x94ffbd doloop_contained_procedure_code
../../gcc/fortran/frontend-passes.c:2465
0x955909 gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int
(*)(gfc_expr**, int*, void*), void*)
../../gcc/fortran/frontend-passes.c:5337
0x955a87 gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int
(*)(gfc_expr**, int*, void*), void*)
../../gcc/fortran/frontend-passes.c:5673
0x957e72 doloop_code
../../gcc/fortran/frontend-passes.c:2627
0x955909 gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int
(*)(gfc_expr**, int*, void*), void*)
../../gcc/fortran/frontend-passes.c:5337
0x955a87 gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int
(*)(gfc_expr**, int*, void*), void*)
../../gcc/fortran/frontend-passes.c:5673
0x956afb doloop_warn
../../gcc/fortran/frontend-passes.c:3063
0x95704a gfc_run_passes(gfc_namespace*)
../../gcc/fortran/frontend-passes.c:156
0x857657 gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:17573
0x83f954 resolve_all_program_units
../../gcc/fortran/parse.c:6586
0x83f954 gfc_parse_file()
../../gcc/fortran/parse.c:6842
0x88db0f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/103719] [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465
2021-12-14 18:14 [Bug fortran/103719] New: [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465 gscfq@t-online.de
@ 2021-12-14 19:34 ` anlauf at gcc dot gnu.org
2021-12-14 20:14 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-14 19:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103719
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-12-14
Priority|P3 |P4
Target Milestone|--- |11.4
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
CC| |anlauf at gcc dot gnu.org
Keywords|ice-on-invalid-code |ice-on-valid-code
--- Comment #1 from anlauf at gcc dot gnu.org ---
Indeed related to PR103718: nearby NULL pointer dereferences.
This one is helpful as it shows a different, more complex code path.
And it is valid code, not invalid! (It was accepted with gcc-10).
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/103719] [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465
2021-12-14 18:14 [Bug fortran/103719] New: [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465 gscfq@t-online.de
2021-12-14 19:34 ` [Bug fortran/103719] " anlauf at gcc dot gnu.org
@ 2021-12-14 20:14 ` cvs-commit at gcc dot gnu.org
2021-12-15 19:35 ` cvs-commit at gcc dot gnu.org
2021-12-15 19:38 ` anlauf at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-12-14 20:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103719
--- Comment #2 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:e866e1c92ecf88feeeafd5d55348451c9a181f3c
commit r12-5967-ge866e1c92ecf88feeeafd5d55348451c9a181f3c
Author: Harald Anlauf <anlauf@gmx.de>
Date: Tue Dec 14 21:02:04 2021 +0100
Fortran: prevent NULL pointer dereferences checking do-loop contained stuff
gcc/fortran/ChangeLog:
PR fortran/103718
PR fortran/103719
* frontend-passes.c (doloop_contained_procedure_code): Add several
checks to prevent NULL pointer dereferences on valid and invalid
code called within do-loops.
gcc/testsuite/ChangeLog:
PR fortran/103718
PR fortran/103719
* gfortran.dg/do_check_18.f90: New test.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/103719] [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465
2021-12-14 18:14 [Bug fortran/103719] New: [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465 gscfq@t-online.de
2021-12-14 19:34 ` [Bug fortran/103719] " anlauf at gcc dot gnu.org
2021-12-14 20:14 ` cvs-commit at gcc dot gnu.org
@ 2021-12-15 19:35 ` cvs-commit at gcc dot gnu.org
2021-12-15 19:38 ` anlauf at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-12-15 19:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103719
--- Comment #3 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:689f8fed9b2a250e6cbeeec4fa882b8afd34eec8
commit r11-9385-g689f8fed9b2a250e6cbeeec4fa882b8afd34eec8
Author: Harald Anlauf <anlauf@gmx.de>
Date: Tue Dec 14 21:02:04 2021 +0100
Fortran: prevent NULL pointer dereferences checking do-loop contained stuff
gcc/fortran/ChangeLog:
PR fortran/103718
PR fortran/103719
* frontend-passes.c (doloop_contained_procedure_code): Add several
checks to prevent NULL pointer dereferences on valid and invalid
code called within do-loops.
gcc/testsuite/ChangeLog:
PR fortran/103718
PR fortran/103719
* gfortran.dg/do_check_18.f90: New test.
(cherry picked from commit e866e1c92ecf88feeeafd5d55348451c9a181f3c)
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/103719] [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465
2021-12-14 18:14 [Bug fortran/103719] New: [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465 gscfq@t-online.de
` (2 preceding siblings ...)
2021-12-15 19:35 ` cvs-commit at gcc dot gnu.org
@ 2021-12-15 19:38 ` anlauf at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-15 19:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103719
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #4 from anlauf at gcc dot gnu.org ---
Fixed.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2021-12-14 18:14 [Bug fortran/103719] New: [11/12 Regression] ICE in doloop_contained_procedure_code, at fortran/frontend-passes.c:2465 gscfq@t-online.de
2021-12-14 19:34 ` [Bug fortran/103719] " anlauf at gcc dot gnu.org
2021-12-14 20:14 ` cvs-commit at gcc dot gnu.org
2021-12-15 19:35 ` cvs-commit at gcc dot gnu.org
2021-12-15 19:38 ` anlauf at gcc dot gnu.org
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