void bar (int N) { void foo (int a[2][N++]) {} int a[2][N]; foo (a); int b[2][N]; foo (b); if (sizeof (a) != sizeof (int) * 2 * 1) abort (); if (sizeof (b) != sizeof (int) * 2 * 2) abort (); if (N != 3) abort (); } int main (void) { bar (1); exit (0); }