1// { dg-do assemble } 2// { dg-options "-Wall" } 3 4enum tristate { no = -1, maybe, yes }; 5 6tristate 7tristate_satisfies (register tristate const t1, register tristate const t2) 8{ 9 switch (t1) 10 { 11 case no: 12 return (tristate) -t2; 13 case maybe: 14 return yes; 15 case yes: 16 return t2; 17 } 18 return maybe; 19} 20