Source file test/fixedbugs/issue26153.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  // Issue 26153. The write to ps was incorrectly
     8  // removed by the dead auto elimination pass.
     9  
    10  package main
    11  
    12  const hello = "hello world"
    13  
    14  func main() {
    15  	var s string
    16  	mangle(&s)
    17  	if s != hello {
    18  		panic("write incorrectly elided")
    19  	}
    20  }
    21  
    22  //go:noinline
    23  func mangle(ps *string) {
    24  	if ps == nil {
    25  		var s string
    26  		ps = &s
    27  	}
    28  	*ps = hello
    29  }
    30  

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