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// compile
// 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.
// Non-constant duplicate keys/cases should not be reported
// as errors by the compiler.
package p
import "unsafe"
func f() {
_ = map[uintptr]int{
0: 0,
uintptr(unsafe.Pointer(nil)): 0,
}
switch uintptr(0) {
case 0:
case uintptr(unsafe.Pointer(nil)):
}
switch interface{}(nil) {
case nil:
case nil:
}
_ = map[interface{}]int{
nil: 0,
nil: 0,
}
}
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