https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103856
Bug ID: 103856
Summary: ICE during GIMPLE pass: hardcmp since
r12-4759-g95bb87b2458bfab4
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: aoliva at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ cat ice.ii
struct S {
S(float);
S();
operator float();
~S() {}
};
int
main() {
S s_arr[]{2};
S var1;
if (var1)
;
}
$ g++ -Og -fnon-call-exceptions -fsignaling-nans -fharden-compares -c ice.ii
ice.ii: In function ‘int main()’:
ice.ii:9:1: error: missing ‘PHI’ def
9 | main() {
| ^~~~
_5 = PHI <&MEM <struct S[1]> [(void *)&s_arr + 1B](4), &MEM <struct S[1]>
[(void *)&s_arr + 1B](2), &MEM <struct S[1]> [(void *)&s_arr + 1B](3), (5)>
during GIMPLE pass: hardcmp
ice.ii:9:1: internal compiler error: verify_gimple failed
0x1289035 verify_gimple_in_cfg(function*, bool)
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5578
0x114f4ee execute_function_todo
/home/marxin/Programming/gcc/gcc/passes.c:2084
0x114fb0b execute_todo
/home/marxin/Programming/gcc/gcc/passes.c:2138
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.
