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* [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181
@ 2020-04-03 17:37 asolokha at gmx dot com
2020-04-03 19:58 ` [Bug c++/94477] " jakub at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: asolokha at gmx dot com @ 2020-04-03 17:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
Bug ID: 94477
Summary: ICE in tsubst_expr, at cp/pt.c:18181
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, openmp
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-10.0.1-alpha20200329 snapshot (g:60c254b279e8e8443b8ad26cc46b9e4084cff66c)
ICEs when compiling the following testcase, extracted from
test/OpenMP/parallel_master_taskloop_collapse_messages.cpp from the clang
10.0.0 test suite, w/ -fopenmp:
void
j3 ();
template <int>
void
xm ()
{
#pragma omp parallel master
j3 ();
}
void
s3 ()
{
xm<0> ();
}
% g++-10.0.1 -fopenmp -c qnx2epwv.cpp
qnx2epwv.cpp: In instantiation of 'void xm() [with int <anonymous> = 0]':
qnx2epwv.cpp:15:11: required from here
qnx2epwv.cpp:8:11: internal compiler error: in tsubst_expr, at cp/pt.c:18181
8 | #pragma omp parallel master
| ^~~
0x659d49 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/pt.c:18181
0x9eb63a tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/pt.c:17985
0x9e97f6 instantiate_decl(tree_node*, bool, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/pt.c:25507
0xa1a4ab instantiate_pending_templates(int)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/pt.c:25623
0x91fbd3 c_parse_final_cleanups()
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/decl2.c:4874
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/94477] ICE in tsubst_expr, at cp/pt.c:18181
2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
@ 2020-04-03 19:58 ` jakub at gcc dot gnu.org
2020-04-03 22:37 ` cvs-commit at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2020-04-03 19:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2020-04-03
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 48192
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48192&action=edit
gcc10-pr94477.patch
Untested fix.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/94477] ICE in tsubst_expr, at cp/pt.c:18181
2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
2020-04-03 19:58 ` [Bug c++/94477] " jakub at gcc dot gnu.org
@ 2020-04-03 22:37 ` cvs-commit at gcc dot gnu.org
2020-04-03 22:47 ` jakub at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-04-03 22:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:0c809f727cd2a6c70c307d9dd53d26dc84bf292a
commit r10-7547-g0c809f727cd2a6c70c307d9dd53d26dc84bf292a
Author: Jakub Jelinek <jakub@redhat.com>
Date: Sat Apr 4 00:35:41 2020 +0200
openmp: Fix ICE on #pragma omp parallel master in template [PR94477]
The following testcase ICEs, because for parallel combined with some
other construct we initialize the omp_parallel_combined_clauses pointer
and expect the construct combined with it to clear it after it no longer
needs it, but OMP_MASTER didn't do that.
2020-04-04 Jakub Jelinek <jakub@redhat.com>
PR c++/94477
* pt.c (tsubst_expr) <case OMP_MASTER>: Clear
omp_parallel_combined_clauses.
* g++.dg/gomp/pr94477.C: New test.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/94477] ICE in tsubst_expr, at cp/pt.c:18181
2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
2020-04-03 19:58 ` [Bug c++/94477] " jakub at gcc dot gnu.org
2020-04-03 22:37 ` cvs-commit at gcc dot gnu.org
@ 2020-04-03 22:47 ` jakub at gcc dot gnu.org
2020-04-07 19:04 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2020-04-03 22:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed on the trunk so far.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/94477] ICE in tsubst_expr, at cp/pt.c:18181
2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
` (2 preceding siblings ...)
2020-04-03 22:47 ` jakub at gcc dot gnu.org
@ 2020-04-07 19:04 ` cvs-commit at gcc dot gnu.org
2020-04-11 14:53 ` asolokha at gmx dot com
2020-04-11 14:56 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-04-07 19:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:d1371dbe12214895cda0b13bfc6ff0ed9cbce15d
commit r9-8478-gd1371dbe12214895cda0b13bfc6ff0ed9cbce15d
Author: Jakub Jelinek <jakub@redhat.com>
Date: Sat Apr 4 00:35:41 2020 +0200
openmp: Fix ICE on #pragma omp parallel master in template [PR94477]
The following testcase ICEs, because for parallel combined with some
other construct we initialize the omp_parallel_combined_clauses pointer
and expect the construct combined with it to clear it after it no longer
needs it, but OMP_MASTER didn't do that.
2020-04-04 Jakub Jelinek <jakub@redhat.com>
PR c++/94477
* pt.c (tsubst_expr) <case OMP_MASTER>: Clear
omp_parallel_combined_clauses.
* g++.dg/gomp/pr94477.C: New test.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/94477] ICE in tsubst_expr, at cp/pt.c:18181
2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
` (3 preceding siblings ...)
2020-04-07 19:04 ` cvs-commit at gcc dot gnu.org
@ 2020-04-11 14:53 ` asolokha at gmx dot com
2020-04-11 14:56 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: asolokha at gmx dot com @ 2020-04-11 14:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
--- Comment #5 from Arseny Solokha <asolokha at gmx dot com> ---
Is there some further work pending, or can this PR be closed?
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/94477] ICE in tsubst_expr, at cp/pt.c:18181
2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
` (4 preceding siblings ...)
2020-04-11 14:53 ` asolokha at gmx dot com
@ 2020-04-11 14:56 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2020-04-11 14:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94477
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 8 doesn't support parallel master, so this is now fixed everywhere.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2020-04-03 17:37 [Bug c++/94477] New: ICE in tsubst_expr, at cp/pt.c:18181 asolokha at gmx dot com
2020-04-03 19:58 ` [Bug c++/94477] " jakub at gcc dot gnu.org
2020-04-03 22:37 ` cvs-commit at gcc dot gnu.org
2020-04-03 22:47 ` jakub at gcc dot gnu.org
2020-04-07 19:04 ` cvs-commit at gcc dot gnu.org
2020-04-11 14:53 ` asolokha at gmx dot com
2020-04-11 14:56 ` jakub at gcc dot gnu.org
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