https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88975
--- Comment #1 from Arseny Solokha <asolokha at gmx dot com> ---
--- xsihfn9u.c 2019-01-23 09:46:02.954589253 +0700
+++ msyweyyj.c 2019-01-23 09:46:13.439477032 +0700
@@ -4,7 +4,7 @@
int ij[gy];
int sk;
-#pragma omp taskloop reduction(+:ij)
+#pragma omp taskloop simd reduction(+:ij)
for (sk = 0; sk < 1; ++sk)
{
}
% gcc-9.0.0-alpha20190120 -fopenmp -c msyweyyj.c
during GIMPLE pass: ssa
msyweyyj.c: In function 'mr._omp_fn.0':
msyweyyj.c:11:1: internal compiler error: Segmentation fault
11 | }
| ^
0xd701df crash_signal
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/toplev.c:326
0x98a4d8 dominated_by_p(cdi_direction, basic_block_def const*, basic_block_def
const*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/dominance.c:1124
0xf8acd3 verify_use
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/tree-ssa.c:872
0xf92117 verify_ssa(bool, bool)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/tree-ssa.c:1141
0xc89d0d execute_function_todo
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/passes.c:1984
0xc8ab0e execute_todo
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190120/work/gcc-9-20190120/gcc/passes.c:2031
