https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111869
Bug ID: 111869
Summary: ICE: verify_ssa failed since r14-4710-g60c231cb658
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: shaohua.li at inf dot ethz.ch
CC: tamar.christina at arm dot com
Target Milestone: ---
gcc at -O3 crashed.
Bisected to r14-4710-g60c231cb658
$ cat a.c
int a;
unsigned b() {
long c;
unsigned d = 1;
char *e = "";
c = 0;
for (; c < a; c++)
e[0]++;
c = 0;
for (; c < a; c++)
if (c)
d = 0;
return d;
}
int main() {}
$
$ gcc -O3 a.c
a.c: In function ‘b’:
a.c:2:10: error: PHI node with wrong VUSE on edge from BB 14
2 | unsigned b() {
| ^
.MEM_39 = PHI <.MEM_1(14), .MEM_1(13)>
expected .MEM_29
a.c:2:10: error: PHI node with wrong VUSE on edge from BB 13
.MEM_39 = PHI <.MEM_1(14), .MEM_1(13)>
expected .MEM_29
during GIMPLE pass: vect
a.c:2:10: internal compiler error: verify_ssa failed
0x7f10859fa082 __libc_start_main
../csu/libc-start.c:308
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions
$
