// errorcheck
// Copyright 2018 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 p
type intAlias = int
func f() {
switch interface{}(nil) {
case uint8(0):
case byte(0): // ERROR "duplicate case"
case int32(0):
case rune(0): // ERROR "duplicate case"
case int(0):
case intAlias(0): // ERROR "duplicate case"
}
}