[Bug regression/95025] [11 Regression] ICE in execute_sm_exit at gcc/tree-ssa-loop-im.c:2224 since r11-161-g283cb9ea6293e813
marxin at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon May 11 07:41:08 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95025
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
$ cat pr95025.c
static int a;
short b;
int *c;
void d() {
for (;; a -= 1)
for (; b; b += 1) {
*c ^= 5;
if (a)
return;
}
}
$ gcc -O2 -c pr95025.c -Werror
during GIMPLE pass: lim
pr95025.c: In function ‘d’:
pr95025.c:4:6: internal compiler error: Segmentation fault
4 | void d() {
| ^
0xe36b0f crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:328
0x7ffff78fef1f ???
/usr/src/debug/glibc-2.31-4.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x72dd2c execute_sm_exit
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:2224
0xf71d25 hoist_memory_references
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:2562
0xf71d25 store_motion_loop
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:2824
0xf70a21 store_motion_loop
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:2830
0xf72cca store_motion
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:2845
0xf72cca tree_ssa_lim
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:3065
0xf72cca execute
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-im.c:3115
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
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