1// compile
2
3// Copyright 2013 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Issue 6131: missing typecheck after reducing
8// n%1 == 0 to a constant value.
9
10package main
11
12func isGood(n int) bool {
13	return n%1 == 0
14}
15
16func main() {
17	if !isGood(256) {
18		panic("!isGood")
19	}
20}
21