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Source file test/fixedbugs/issue4752.go

Documentation: test/fixedbugs

  // 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")
  	}
  }
  

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