https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85422
Bug ID: 85422
Summary: [openacc] ICE at cfgloop.c:468: segfault in
flow_loops_find
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
When compiling this program:
...
int
main (void)
{
#pragma acc parallel
#pragma acc loop
for (int i = 1; i < 10; i++)
for (;;)
;
return 0;
}
...
we run into this ICE:
...
to1: internal compiler error: Segmentation fault
0xac51ff crash_signal
gcc/toplev.c:325
0x62cc08 flow_loops_find(loops*)
gcc/cfgloop.c:468
0x961b3b input_cfg
gcc/lto-streamer-in.c:841
0x961b3b input_function
gcc/lto-streamer-in.c:1069
0x961b3b lto_read_body_or_constructor
gcc/lto-streamer-in.c:1287
0x961b3b lto_input_variable_constructor(lto_file_decl_data*, varpool_node*,
char const*)
gcc/lto-streamer-in.c:1345
0x651d4e cgraph_node::get_untransformed_body()
gcc/cgraph.c:3667
0x6604d2 cgraph_node::expand()
gcc/cgraphunit.c:2109
0x661df2 output_in_order
gcc/cgraphunit.c:2381
0x661df2 symbol_table::compile()
gcc/cgraphunit.c:2623
0x5adccc lto_main()
gcc/lto/lto.c:3382
...
