x.go

Documentation: cmd/link/testdata/testRO

     1  // Copyright 2020 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Test that read-only data is indeed read-only. This
     6  // program attempts to modify read-only data, and it
     7  // should fail.
     8  
     9  package main
    10  
    11  import "unsafe"
    12  
    13  var s = "hello"
    14  
    15  func main() {
    16  	println(s)
    17  	*(*struct {
    18  		p *byte
    19  		l int
    20  	})(unsafe.Pointer(&s)).p = 'H'
    21  	println(s)
    22  }
    23

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