https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92084
Bug ID: 92084
Summary: [10 Regression] ICE: tree check: expected tree that
contains 'decl minimal' structure, have
'compound_expr' in gimplify_scan_omp_clauses, at
gimplify.c:9039
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++-10.0.0-alpha20191013 snapshot (r276943) ICEs when compiling the following
testcase reduced from libgomp/testsuite/libgomp.c-c++-common/task-reduction-5.c
w/ -std=c++17 -fopenmp:
void
vs (int *uj, int ct)
{
#pragma omp taskgroup task_reduction (* : uj[ct])
;
}
% g++-10.0.0-alpha20191013 -std=c++17 -fopenmp -c fwqikdxr.c
fwqikdxr.c: In function 'void vs(int*, int)':
fwqikdxr.c:4:9: internal compiler error: tree check: expected tree that
contains 'decl minimal' structure, have 'compound_expr' in
gimplify_scan_omp_clauses, at gimplify.c:9039
4 | #pragma omp taskgroup task_reduction (* : uj[ct])
| ^~~
0x7665f6 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree.c:10098
0x6c3131 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree.h:3381
0x6c3131 gimplify_scan_omp_clauses
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/gimplify.c:9039
0xc1da3e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/gimplify.c:13737
0xc2391e gimplify_stmt(tree_node**, gimple**)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/gimplify.c:6780
0xc2391e gimplify_body(tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/gimplify.c:14385
0xc23d60 gimplify_function_tree(tree_node*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/gimplify.c:14529
0xab47e3 cgraph_node::analyze()
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/cgraphunit.c:667
0xab6dbd analyze_functions
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/cgraphunit.c:1126
0xab79ee symbol_table::finalize_compilation_unit()
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/cgraphunit.c:2840
It also ICEs at least w/:
libgomp.c++/task-reduction-11.C
libgomp.c++/task-reduction-12.C
libgomp.c++/task-reduction-13.C
libgomp.c++/task-reduction-17.C
libgomp.c++/task-reduction-18.C
libgomp.c++/task-reduction-19.C
libgomp.c++/task-reduction-4.C
libgomp.c++/task-reduction-5.C
libgomp.c++/task-reduction-6.C
libgomp.c++/task-reduction-7.C
libgomp.c++/taskloop-reduction-2.C
libgomp.c++/taskloop-reduction-3.C
libgomp.c++/taskloop-reduction-4.C
libgomp.c-c++-common/task-reduction-3.c
libgomp.c-c++-common/task-reduction-7.c
libgomp.c-c++-common/task-reduction-9.c
libgomp.c-c++-common/taskloop-reduction-2.c
