modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue15042.go (about)

     1  // run
     2  
     3  // Copyright 2016 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  // Exchanging two struct fields was compiled incorrectly.
     8  
     9  package main
    10  
    11  type S struct {
    12  	i int
    13  }
    14  
    15  func F(c bool, s1, s2 S) (int, int) {
    16  	if c {
    17  		s1.i, s2.i = s2.i, s1.i
    18  	}
    19  	return s1.i, s2.i
    20  }
    21  
    22  func main() {
    23  	i, j := F(true, S{1}, S{20})
    24  	if i != 20 || j != 1 {
    25  		panic(i+j)
    26  	}
    27  }