https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69916
Bug ID: 69916
Summary: [openacc] ICE in single_succ_edge called from
oacc_loop_xform_loop
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgomp
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
$ cat loop-clauses.c
int
main (void)
{
#pragma acc parallel
{
int j;
#pragma acc loop private (j)
for (int i = 0; i < 10; i++)
j++;
}
return 0;
}
$ gcc loop-clauses.c -fopenacc -S -O2
loop-clauses.c: In function ‘main._omp_fn.0’:
loop-clauses.c:5:9: internal compiler error: in single_succ_edge, at
basic-block.h:351
#pragma acc parallel
^~~
0xcf6d90 single_succ_edge
src/gcc/basic-block.h:351
0xcf6e0e single_succ
src/gcc/basic-block.h:371
0xd4eece oacc_loop_xform_loop
src/gcc/omp-low.c:20759
0xd4ef9f oacc_loop_process
src/gcc/omp-low.c:20781
0xd4ef2e oacc_loop_process
src/gcc/omp-low.c:20771
0xd4f888 execute_oacc_device_lower
src/gcc/omp-low.c:21085
0xd4fd74 execute
src/gcc/omp-low.c:21268
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
