Source file test/fixedbugs/issue24488.go

     1  // run
     2  
     3  // Copyright 2018 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  package main
     8  
     9  import (
    10  	"runtime"
    11  	"strings"
    12  )
    13  
    14  type Func func()
    15  
    16  func (f Func) Foo() {
    17  	if f != nil {
    18  		f()
    19  	}
    20  }
    21  
    22  func (f Func) Bar() {
    23  	if f != nil {
    24  		f()
    25  	}
    26  	buf := make([]byte, 4000)
    27  	n := runtime.Stack(buf, true)
    28  	s := string(buf[:n])
    29  	if strings.Contains(s, "-fm") {
    30  		panic("wrapper present in stack trace:\n" + s)
    31  	}
    32  }
    33  
    34  func main() {
    35  	foo := Func(func() {})
    36  	foo = foo.Bar
    37  	foo.Foo()
    38  }
    39  

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