[Bug c++/89224] [9/10/11/12 Regregression] subscript of const vector has the wrong type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89224

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Refence in the f function is not needed:
typedef __attribute__((vector_size(16))) unsigned char  __Int8x8_t;

template <class T>
void g(T &x) {
  x = 1;
}
void f(const __Int8x8_t x) {
  g(x[0]);
}