[Bug c++/114210] Potential bug wrt __restrict on member function decl/def

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114210

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note the class method is similar to how normal functions work:

```
void
foo (int* __restrict b);
void
foo (int*  b)
{
         static_assert(__is_same(decltype(b), int*));
}
void
foo1 (int*  b);
void
foo1 (int* __restrict b)
{
         static_assert(__is_same(decltype(b), int*__restrict));
}
```