struct foo {unsigned int a : 4;
	    int          b : 4;
};
int bar(int x){
	switch (x) {
	case 1: return 2;

	case 4: return 4;

	case 6: return 8;

	case 10: return 19;
	} return 0;
}
int main(void){
	bar(10);
foo:
	bar(-9);
	bar(9);
baz:
	return 0;
}