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Source file test/fixedbugs/bug450.go

Documentation: test/fixedbugs

     1  // run
     2  
     3  // Copyright 2012 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Issue 3899: 8g incorrectly thinks a variable is
     8  // "set but not used" and elides an assignment, causing
     9  // variables to end up with wrong data.
    10  //
    11  // The reason is a miscalculation of variable width.
    12  
    13  package main
    14  
    15  func bar(f func()) {
    16  	f()
    17  }
    18  
    19  func foo() {
    20  	f := func() {}
    21  	if f == nil {
    22  	}
    23  	bar(f)
    24  }
    25  
    26  func main() {
    27  	foo()
    28  }
    29  

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