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Source file test/fixedbugs/bug459.go

Documentation: test/fixedbugs

  // errorcheck
  
  // 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 3890: missing detection of init loop involving
  // method calls in function bodies.
  
  package flag
  
  var commandLine = NewFlagSet() // ERROR "loop|depends upon itself"
  
  type FlagSet struct {
  }
  
  func (f *FlagSet) failf(format string, a ...interface{}) {
  	f.usage()
  }
  
  func (f *FlagSet) usage() {
  	if f == commandLine {
  		panic(3)
  	}
  }
  
  func NewFlagSet() *FlagSet {
  	f := &FlagSet{}
  	f.setErrorHandling(true)
  	return f
  }
  
  func (f *FlagSet) setErrorHandling(b bool) {
  	f.failf("DIE")
  }
  

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