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int i;
double d;
/* Make sure we return a constant. */
float rootbeer[__builtin_types_compatible_p (int, typeof(i))];
typedef enum { hot, dog, poo, bear } dingos;
typedef enum { janette, laura, amanda } cranberry;
typedef float same1;
typedef float same2;
int main (void);
int main (void)
{
/* Compatible types. */
if (!(__builtin_types_compatible_p (int, const int)
&& __builtin_types_compatible_p (typeof (hot), int)
&& __builtin_types_compatible_p (typeof (hot), typeof (laura))
&& __builtin_types_compatible_p (int[5], int[])
&& __builtin_types_compatible_p (same1, same2)))
abort ();
/* Incompatible types. */
if (__builtin_types_compatible_p (char *, int)
|| __builtin_types_compatible_p (char *, const char *)
|| __builtin_types_compatible_p (long double, double)
|| __builtin_types_compatible_p (typeof (i), typeof (d))
|| __builtin_types_compatible_p (typeof (dingos), typeof (cranberry))
|| __builtin_types_compatible_p (char, int)
|| __builtin_types_compatible_p (char *, char **))
abort ();
exit (0);
}
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