https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111671
Bug ID: 111671
Summary: ICE in get_default_value, at tree-ssa-ccp.cc:312
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: aldyh at redhat dot com
Target Milestone: ---
gcc at -O2/3 crashes.
Bisected to r14-2965-gc83528d2367
Compiler explorer: https://godbolt.org/z/MEnY9sYh5
$ cat a.c
int a, b, c, d;
int e() {
if (a)
return 0;
return -1;
}
static unsigned f(short);
void h() {
int g = 59258;
b = -50;
g |= e() + b;
f(g);
}
unsigned f(short i) {
int *j[15], *k[15] = {};
j[0] = 0;
{
long l[4];
long m = *l, *n[] = {&m};
for (; c; c++)
d = i;
int** o[] = {k, j};
}
}
int main() {}
$
$ gcc -O2 a.c
during GIMPLE pass: ccp
a.c: In function ‘f.isra’:
a.c:14:10: internal compiler error: in get_default_value, at
tree-ssa-ccp.cc:312
14 | unsigned f(short i) {
| ^
0x7ff11cd60082 __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.
$
