// standard 64-bit division.
			ret64 := tc.num / int64(tc.div)
			rem64 := tc.num % int64(tc.div)
			if ret64 != int64(int32(ret64)) {
				// Simulate timediv overflow value.
				ret64 = 1<<31 - 1
				rem64 = 0
			}
			if ret64 != int64(tc.ret) {
				t.Errorf("%d / %d got ret %d rem %d want ret %d rem %d", tc.num, tc.div, ret64, rem64, tc.ret, tc.rem)
			}

			var rem int32