[Bug middle-end/122126] [13/14/15/16 regression] X86-64 AVX2 and PowerPC64LE: crash at -O2/3

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122126

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |11.1.0
           Keywords|needs-bisection             |
      Known to work|                            |10.5.0

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
```
#define vect16 __attribute__((vector_size(16)))
void func_54() {
  volatile vect16 unsigned BS_VAR_0;
  BS_VAR_0[12] = 4;
}
```

This started in GCC 11 with r11-3486-g683e55facfd5c1 .