github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/test/fixedbugs/bug433.go (about)

     1  // run
     2  
     3  // Copyright 2012 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  // Test that initializing struct fields out of order still runs
     8  // functions in the right order.  This failed with gccgo.
     9  
    10  package main
    11  
    12  type S struct {
    13  	i1, i2, i3 int
    14  }
    15  
    16  var G int
    17  
    18  func v(i int) int {
    19  	if i != G {
    20  		panic(i)
    21  	}
    22  	G = i + 1
    23  	return G
    24  }
    25  
    26  func F() S {
    27  	return S{
    28  		i1: v(0),
    29  		i3: v(1),
    30  		i2: v(2),
    31  	}
    32  }
    33  
    34  func main() {
    35  	s := F()
    36  	if s != (S{1, 3, 2}) {
    37  		panic(s)
    38  	}
    39  }