// run
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
func F(xi, yi interface{}) uint64 {
x, y := xi.(uint64), yi.(uint64)
return x &^ y
}
func G(xi, yi interface{}) uint64 {
return xi.(uint64) &^ yi.(uint64) // generates incorrect code
}
func main() {
var x, y uint64 = 0, 1 << 63
f := F(x, y)
g := G(x, y)
if f != 0 || g != 0 {
println("F", f, "G", g)
panic("bad")
}
}