[Bug middle-end/121000] __builtin_dynamic_object_size should work for FAM with VLA element when annotated with counted_by

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121000

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The usual way would be to make the argument pointer to the scalar type,
basically have the access mode the same type as the second argument.  So e.g.
int * or unsigned * or size_t * etc.