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Source file test/fixedbugs/bug450.go

Documentation: test/fixedbugs

  // run
  
  // Copyright 2012 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.
  
  // Issue 3899: 8g incorrectly thinks a variable is
  // "set but not used" and elides an assignment, causing
  // variables to end up with wrong data.
  //
  // The reason is a miscalculation of variable width.
  
  package main
  
  func bar(f func()) {
  	f()
  }
  
  func foo() {
  	f := func() {}
  	if f == nil {
  	}
  	bar(f)
  }
  
  func main() {
  	foo()
  }
  

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