https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85956
Bug ID: 85956
Summary: [9 Regression] ICE in wide_int_to_tree_1, at
tree.c:1549
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20180506 and 20180513, ICE at -O[s23].
Derived from gomp/pr85696.c :
$ cat z1.c
void
foo (int n, void *p)
{
int (*a)[n] = (int (*)[n]) p;
#pragma omp parallel shared(a) default(none)
#pragma omp master
a[-1][-1] = 42;
}
$ gcc-9-20180527 -c z1.c -Wall -fopenmp -O1
$
$ gcc-9-20180527 -c z1.c -Wall -fopenmp -O2
'int[
during GIMPLE pass: vrp
In function 'foo._omp_fn.0':
in wide_int_to_tree_1, at tree.c:1549
#pragma omp parallel shared(a) default(none)
^~~
0xd38643 wide_int_to_tree_1
../../gcc/tree.c:1549
0xd38bbb wide_int_to_tree(tree_node*, poly_int<1u,
generic_wide_int<wide_int_ref_storage<false, true> > > const&)
../../gcc/tree.c:1674
0xd38bbb build_int_cst(tree_node*, poly_int<1u, long>)
../../gcc/tree.c:1342
0x701f60 c_pretty_printer::direct_abstract_declarator(tree_node*)
../../gcc/c-family/c-pretty-print.c:582
0x693ef3 c_tree_printer
../../gcc/c/c-objc-common.c:147
0x1257043 pp_format(pretty_printer*, text_info*)
../../gcc/pretty-print.c:1375
0x125004b diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
../../gcc/diagnostic.c:984
0x12504c3 diagnostic_impl
../../gcc/diagnostic.c:1108
0x12508e0 warning_at(unsigned int, int, char const*, ...)
../../gcc/diagnostic.c:1223
0xd18056 vrp_prop::check_array_ref(unsigned int, tree_node*, bool)
../../gcc/tree-vrp.c:4990
0xd247bf vrp_prop::check_array_ref(unsigned int, tree_node*, bool)
../../gcc/tree-vrp.c:4876
0xd247bf check_array_bounds
../../gcc/tree-vrp.c:5090
0xd3e483 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
../../gcc/tree.c:11400
0x8c26e3 walk_gimple_op(gimple*, tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc/gimple-walk.c:221
0xd11cfc check_array_bounds_dom_walker::before_dom_children(basic_block_def*)
../../gcc/tree-vrp.c:5144
0x1145c9f dom_walker::walk(basic_block_def*)
../../gcc/domwalk.c:353
0xd14e1c vrp_prop::check_all_array_refs()
../../gcc/tree-vrp.c:5161
0xd15d8d vrp_prop::vrp_finalize(bool)
../../gcc/tree-vrp.c:6937
0xd250d3 execute_vrp
../../gcc/tree-vrp.c:7010
