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Source file test/fixedbugs/bug474.go

Documentation: test/fixedbugs

     1  // run
     2  
     3  // Copyright 2013 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  // Bug in method values: escape analysis was off.
     8  
     9  package main
    10  
    11  import "sync"
    12  
    13  var called = false
    14  
    15  type T struct {
    16  	once sync.Once
    17  }
    18  
    19  func (t *T) M() {
    20  	called = true
    21  }
    22  
    23  func main() {
    24  	var t T
    25  	t.once.Do(t.M)
    26  	if !called {
    27  		panic("not called")
    28  	}
    29  }
    30  

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