modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue20335.go (about)

     1  // compile
     2  
     3  // Copyright 2017 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 20335: don't reorder loads with stores.
     8  // This test should fail on the ssacheck builder
     9  // without the fix in the CL that added this file.
    10  // TODO: check the generated assembly?
    11  
    12  package a
    13  
    14  import "sync/atomic"
    15  
    16  func f(p, q *int32) bool {
    17  	x := *q
    18  	return atomic.AddInt32(p, 1) == x
    19  }