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* [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366
@ 2021-09-14 17:30 gscfq@t-online.de
2021-09-14 17:31 ` [Bug fortran/102332] " gscfq@t-online.de
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: gscfq@t-online.de @ 2021-09-14 17:30 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
Bug ID: 102332
Summary: ICE in select_type_set_tmp, at fortran/match.c:6366
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: ---
With a missing attribute allocatable or pointer :
(down to at least r5)
$ cat z1.f90
program p
type t
real :: a, b
end type
class(t) :: x
select type (y => x)
type is (t)
y%a = 0
end select
end
$ cat z2.f90
program p
type t
real :: a, b
end type
class(t), allocatable :: x
select type (y => x)
type is (t)
y%a = 0
end select
end
$ gfortran-12-20210905 -c z2.f90 # ok
$
$ gfortran-12-20210905 -c z1.f90
f951: internal compiler error: Segmentation fault
0xd09e4f crash_signal
../../gcc/toplev.c:328
0x78fa67 select_type_set_tmp
../../gcc/fortran/match.c:6366
0x798bfc gfc_match_type_is()
../../gcc/fortran/match.c:6901
0x7b6e01 match_word
../../gcc/fortran/parse.c:65
0x7bc444 decode_statement
../../gcc/fortran/parse.c:572
0x7bcada next_free
../../gcc/fortran/parse.c:1384
0x7bcada next_statement
../../gcc/fortran/parse.c:1616
0x7bfe31 parse_select_type_block
../../gcc/fortran/parse.c:4526
0x7bfe31 parse_executable
../../gcc/fortran/parse.c:5737
0x7c108f parse_progunit
../../gcc/fortran/parse.c:6140
0x7c2771 gfc_parse_file()
../../gcc/fortran/parse.c:6655
0x80f57f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:216
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
@ 2021-09-14 17:31 ` gscfq@t-online.de
2021-09-15 8:52 ` marxin at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: gscfq@t-online.de @ 2021-09-14 17:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
G. Steinmetz <gscfq@t-online.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-invalid-code
--- Comment #1 from G. Steinmetz <gscfq@t-online.de> ---
And also :
$ cat zz1.f90
program p
type t
real :: a, b
end type
class(t) :: x
select type (y => x)
class is (t)
y%a = 0
end select
end
$ cat zz4.f90
program p
type t
real :: a, b
end type
class(t) :: x
select type (y => x)
class default
y%a = 0
end select
end
$ cat z3.f90
program p
type t
real :: a, b
end type
class(t) :: x
select type (y => x)
type default
y%a = 0
end select
end
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
2021-09-14 17:31 ` [Bug fortran/102332] " gscfq@t-online.de
@ 2021-09-15 8:52 ` marxin at gcc dot gnu.org
2021-12-27 21:42 ` anlauf at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-09-15 8:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-09-15
CC| |marxin at gcc dot gnu.org
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
2021-09-14 17:31 ` [Bug fortran/102332] " gscfq@t-online.de
2021-09-15 8:52 ` marxin at gcc dot gnu.org
@ 2021-12-27 21:42 ` anlauf at gcc dot gnu.org
2021-12-27 22:18 ` anlauf at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-27 21:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |anlauf at gcc dot gnu.org
--- Comment #2 from anlauf at gcc dot gnu.org ---
Created attachment 52071
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52071&action=edit
Tentative patch
There are several NULL pointer dereferences exhibited by the various testcases
which are addressed by this patch.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
` (2 preceding siblings ...)
2021-12-27 21:42 ` anlauf at gcc dot gnu.org
@ 2021-12-27 22:18 ` anlauf at gcc dot gnu.org
2021-12-29 18:18 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: anlauf at gcc dot gnu.org @ 2021-12-27 22:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu.org
Priority|P3 |P4
Status|NEW |ASSIGNED
--- Comment #3 from anlauf at gcc dot gnu.org ---
Submitted: https://gcc.gnu.org/pipermail/fortran/2021-December/057228.html
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
` (3 preceding siblings ...)
2021-12-27 22:18 ` anlauf at gcc dot gnu.org
@ 2021-12-29 18:18 ` cvs-commit at gcc dot gnu.org
2022-01-02 20:14 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-12-29 18:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
--- 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:d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4
commit r12-6143-gd8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Dec 27 23:06:18 2021 +0100
Fortran: avoid several NULL pointer dereferences during error recovery
gcc/fortran/ChangeLog:
PR fortran/102332
* expr.c (gfc_get_variable_expr): Avoid NULL pointer dereferences
during handling of errors with invalid uses of CLASS variables.
* match.c (select_type_set_tmp): Likewise.
* primary.c (gfc_match_varspec): Likewise.
* resolve.c (resolve_variable): Likewise.
(resolve_select_type): Likewise.
gcc/testsuite/ChangeLog:
PR fortran/102332
* gfortran.dg/pr102332.f90: New test.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
` (4 preceding siblings ...)
2021-12-29 18:18 ` cvs-commit at gcc dot gnu.org
@ 2022-01-02 20:14 ` cvs-commit at gcc dot gnu.org
2022-01-13 21:32 ` cvs-commit at gcc dot gnu.org
2022-01-13 21:33 ` anlauf at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-01-02 20:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
--- 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:718b47e1cd4e667ef3e9b24630f0a2d923d7c802
commit r11-9428-g718b47e1cd4e667ef3e9b24630f0a2d923d7c802
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Dec 27 23:06:18 2021 +0100
Fortran: avoid several NULL pointer dereferences during error recovery
gcc/fortran/ChangeLog:
PR fortran/102332
* expr.c (gfc_get_variable_expr): Avoid NULL pointer dereferences
during handling of errors with invalid uses of CLASS variables.
* match.c (select_type_set_tmp): Likewise.
* primary.c (gfc_match_varspec): Likewise.
* resolve.c (resolve_variable): Likewise.
(resolve_select_type): Likewise.
gcc/testsuite/ChangeLog:
PR fortran/102332
* gfortran.dg/pr102332.f90: New test.
(cherry picked from commit d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
` (5 preceding siblings ...)
2022-01-02 20:14 ` cvs-commit at gcc dot gnu.org
@ 2022-01-13 21:32 ` cvs-commit at gcc dot gnu.org
2022-01-13 21:33 ` anlauf at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-01-13 21:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
--- 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:7bfdbb657919b5049e459e02d130056cfe3777b6
commit r10-10393-g7bfdbb657919b5049e459e02d130056cfe3777b6
Author: Harald Anlauf <anlauf@gmx.de>
Date: Mon Dec 27 23:06:18 2021 +0100
Fortran: avoid several NULL pointer dereferences during error recovery
gcc/fortran/ChangeLog:
PR fortran/102332
* expr.c (gfc_get_variable_expr): Avoid NULL pointer dereferences
during handling of errors with invalid uses of CLASS variables.
* match.c (select_type_set_tmp): Likewise.
* primary.c (gfc_match_varspec): Likewise.
* resolve.c (resolve_variable): Likewise.
(resolve_select_type): Likewise.
gcc/testsuite/ChangeLog:
PR fortran/102332
* gfortran.dg/pr102332.f90: New test.
(cherry picked from commit d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug fortran/102332] ICE in select_type_set_tmp, at fortran/match.c:6366
2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
` (6 preceding siblings ...)
2022-01-13 21:32 ` cvs-commit at gcc dot gnu.org
@ 2022-01-13 21:33 ` anlauf at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: anlauf at gcc dot gnu.org @ 2022-01-13 21:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102332
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
Target Milestone|--- |10.4
--- Comment #7 from anlauf at gcc dot gnu.org ---
Fixed on mainline for gcc-12, and on 11- and 10-branch. Closing.
Thanks for the report!
^ permalink raw reply [flat|nested] 9+ messages in thread
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2021-09-14 17:30 [Bug fortran/102332] New: ICE in select_type_set_tmp, at fortran/match.c:6366 gscfq@t-online.de
2021-09-14 17:31 ` [Bug fortran/102332] " gscfq@t-online.de
2021-09-15 8:52 ` marxin at gcc dot gnu.org
2021-12-27 21:42 ` anlauf at gcc dot gnu.org
2021-12-27 22:18 ` anlauf at gcc dot gnu.org
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