https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89376
Bug ID: 89376
Summary: ICE: Segmentation fault (in oacc_entry_exit_ok_1)
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, openacc
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-9.0.0-alpha20190210 snapshot (r268755) ICEs when compiling the following
testcase w/ -O2 -fopenacc -fno-tree-ch -fno-tree-dce -fno-tree-vrp:
void
qr (void)
{
int fa;
#pragma acc kernels
for (int rw = 0; rw < 1; ++rw)
fa = 0;
}
% gcc-9.0.0-alpha20190210 -O2 -fopenacc -fno-tree-ch -fno-tree-dce
-fno-tree-vrp -c vvyr2jl1.c
during GIMPLE pass: parloops
vvyr2jl1.c: In function 'qr._omp_fn.0':
vvyr2jl1.c:9:1: internal compiler error: Segmentation fault
9 | }
| ^
0xd6fa7f crash_signal
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190210/work/gcc-9-20190210/gcc/toplev.c:326
0xe280f6 oacc_entry_exit_ok_1
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190210/work/gcc-9-20190210/gcc/tree-parloops.c:3051
0xe280f6 oacc_entry_exit_ok
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190210/work/gcc-9-20190210/gcc/tree-parloops.c:3251
0xe280f6 parallelize_loops
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190210/work/gcc-9-20190210/gcc/tree-parloops.c:3402
0xe2836b execute
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190210/work/gcc-9-20190210/gcc/tree-parloops.c:3505
0xe2836b execute
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190210/work/gcc-9-20190210/gcc/tree-parloops.c:3484
