https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116016
--- Comment #54 from Alejandro Colomar <alx at kernel dot org> ---
In a similar manner, I've made the following cases compile-time errors for
__lengthof__ (still under development):
extern int x[];
void
f(int a[])
{
size_t n;
n = __lengthof__(a);
n = __lengthof__(x);
}
error: invalid application of ‘lengthof’ to incomplete type ‘int[]’
Because it doesn't make sense at all.
