https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95283
Bug ID: 95283
Summary: ICE: in hoist_memory_references, at
tree-ssa-loop-im.c:2607
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: ---
Reproducer:
short c;
bool d;
unsigned e, f;
char g, h;
extern bool i[];
void j() {
for (char a = 0; a < 100; a++)
for (char b = 0; b < 20; b += 2) {
if (e)
d = f = 0;
else
g = i[8] = 0;
h = c;
}
}
Error:
>$ g++ -O3 func.cpp -c
during GIMPLE pass: lim
func.cpp: In function ‘void j()’:
func.cpp:6:6: internal compiler error: in hoist_memory_references, at
tree-ssa-loop-im.c:2607
6 | void j() {
| ^
0x822f8a hoist_memory_references
gcc_src/gcc/tree-ssa-loop-im.c:2607
0x822f8a store_motion_loop
gcc_src/gcc/tree-ssa-loop-im.c:2904
0x12381da do_store_motion
gcc_src/gcc/tree-ssa-loop-im.c:2929
0x12381da tree_ssa_lim
gcc_src/gcc/tree-ssa-loop-im.c:3148
0x12381da execute
gcc_src/gcc/tree-ssa-loop-im.c:3198
GCC version:
11.0.0 (bcb63eb2cbd3caf212b9cf42d8c218c09dc6ff8b)
