https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101516
Bug ID: 101516
Summary: [10/11/12 Regression] ICE in
finish_omp_reduction_clause, at cp/semantics.c:6075
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started with r10 between 20191006 and 20191013 :
$ cat z1.cc
template <typename T> void foo (T, T[], T *, int, int (& v)[], int *)
{
#pragma omp parallel reduction (+:v) allocate(v)
;
}
void test ()
{
long x;
long y[] {};
long * z;
int u;
int v[4];
int * w;
foo (x, y, z, u, v, w);
}
$ g++-12-20210718 -c z1.cc -fopenmp
z1.cc: In instantiation of 'void foo(T, T*, T*, int, int (&)[], int*) [with T =
long int]':
z1.cc:14:7: required from here
z1.cc:3:11: internal compiler error: Segmentation fault
3 | #pragma omp parallel reduction (+:v) allocate(v)
| ^~~
0xd6d5af crash_signal
../../gcc/toplev.c:328
0xa9bbdf size_binop_loc(unsigned int, tree_code, tree_node*, tree_node*)
../../gcc/fold-const.c:1897
0x87082d finish_omp_reduction_clause
../../gcc/cp/semantics.c:6075
0x87082d finish_omp_clauses(tree_node*, c_omp_region_type)
../../gcc/cp/semantics.c:8597
0x846fe0 tsubst_omp_clauses
../../gcc/cp/pt.c:17555
0x841f9a tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/cp/pt.c:18669
0x841f47 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/cp/pt.c:18479
0x8367d1 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/cp/pt.c:25869
0x8367d1 instantiate_body
../../gcc/cp/pt.c:25869
0x837789 instantiate_decl(tree_node*, bool, bool)
../../gcc/cp/pt.c:26162
0x85152b instantiate_pending_templates(int)
../../gcc/cp/pt.c:26241
0x765822 c_parse_final_cleanups()
../../gcc/cp/decl2.c:4991
