https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123067
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kugan at gcc dot gnu.org
Summary|[16 Regression] wrong code |[16 Regression] wrong code
|at -O2 and above on |at -O2 and above on
|x86_64-pc-linux-gnu |x86_64-pc-linux-gnu since
| |r16-5526
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
```
int main() {
unsigned char a[6] = {0, 0, 1, 2, 0, 0};
for (int i = 0; i < 256; i++)
__builtin_memmove(&a[1], &a[2], 4);
if (a[1] != 0)
__builtin_abort();
}
```
