https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98064
Bug ID: 98064
Summary: ICE in check_loop_closed_ssa_def, at
tree-ssa-loop-manip.c:726 with -O3
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: vsevolod.livinskij at frtk dot ru
Target Milestone: ---
Error:
>$ g++ -c -O3 func.cpp
during GIMPLE pass: slp
func.cpp: In function ‘void test()’:
func.cpp:8:6: internal compiler error: in check_loop_closed_ssa_def, at
tree-ssa-loop-manip.c:726
8 | void test() {
| ^~~~
0x84b706 check_loop_closed_ssa_def
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-ssa-loop-manip.c:726
0x12ae78d check_loop_closed_ssa_bb
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-ssa-loop-manip.c:752
0x12b05d6 verify_loop_closed_ssa(bool, loop*)
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-ssa-loop-manip.c:777
0x12b05d6 verify_loop_closed_ssa(bool, loop*)
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-ssa-loop-manip.c:761
0x1062c24 execute_function_todo
/home/vlivinsk/workspace/gcc/gcc_src/gcc/passes.c:2057
0x10638ae execute_todo
/home/vlivinsk/workspace/gcc/gcc_src/gcc/passes.c:2093
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Reproducer:
#include <algorithm>
extern long var_2;
extern int var_3, var_8;
extern long long var_5;
extern unsigned short arr_353[];
extern short arr_362[];
extern int arr_518[];
void test() {
for (char d = 0; d < 013; d += 4) {
for (char e = 0; e < 11; e++)
arr_353[e] = var_2 | std::min((long long)7, var_5);
for (int f = var_5; f; f += 4)
for (short g = var_8; g; g++)
arr_362[g] = 0;
}
for (short h = 5; (short)var_2; h += 5)
arr_518[h] = 0;
}
gcc version 11.0.0 20201126 (beb9afcaf1466996a301c778596c5df209e7913c)
