#include <ccan/cast/cast.h>
#include <stdlib.h>

/* Note: this *isn't* sizeof(char) on all platforms. */
struct char_struct {
	char c;
};

int main(void)
{
	char **uc;
	const
#ifdef FAIL
		struct char_struct
#else
		char
#endif
		**p = NULL;

	uc = cast_const2(char **, p);
	(void) uc; /* Suppress unused-but-set-variable warning. */
	return 0;
}

#ifdef FAIL
#if !HAVE_TYPEOF||!HAVE_BUILTIN_CHOOSE_EXPR||!HAVE_BUILTIN_TYPES_COMPATIBLE_P
#error "Unfortunately we don't fail if cast_const can only use size"
#endif
#endif
