https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92228
--- Comment #4 from Arseny Solokha <asolokha at gmx dot com> ---
Done.
int ze, r2;
int i0[2];
void
np (int ch)
{
while (ch < 1)
{
if (i0[ch] != 0)
ze = r2 = ch;
++ch;
}
}
% gcc-10.0.0-alpha20191027 -O3 -c bisb9gfl.c
during GIMPLE pass: vect
bisb9gfl.c: In function 'np':
bisb9gfl.c:5:1: internal compiler error: in vectorizable_reduction, at
tree-vect-loop.c:5730
5 | np (int ch)
| ^~
0x6ba80d vectorizable_reduction(_stmt_vec_info*, _slp_tree*, _slp_instance*,
vec<stmt_info_for_cost, va_heap, vl_ptr>*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/tree-vect-loop.c:5730
0xe8bed9 vect_analyze_loop_operations
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/tree-vect-loop.c:1560
0xe8bed9 vect_analyze_loop_2
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/tree-vect-loop.c:2079
0xe8bed9 vect_analyze_loop(loop*, _loop_vec_info*, vec_info_shared*)
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/tree-vect-loop.c:2367
0xea47d4 try_vectorize_loop_1
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/tree-vectorizer.c:886
0xea55f4 vectorize_loops()
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191027/work/gcc-10-20191027/gcc/tree-vectorizer.c:1114
