1// run
2
3// Copyright 2009 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// function call arg reordering was picking out 1 call that
8// didn't need to be in a temporary, but it was picking
9// out the first call instead of the last call.
10// https://golang.org/issue/370
11
12package main
13
14var gen = 'a'
15
16func f(n int) string {
17	s := string(gen) + string(n+'A'-1)
18	gen++
19	return s
20}
21
22func g(x, y string) string {
23	return x + y
24}
25
26func main() {
27	s := f(1) + f(2)
28	if s != "aAbB" {
29		println("BUG: bug221a: ", s)
30		panic("fail")
31	}
32	s = g(f(3), f(4))
33	if s != "cCdD" {
34		println("BUG: bug221b: ", s)
35		panic("fail")
36	}
37	s = f(5) + f(6) + f(7) + f(8) + f(9)
38	if s != "eEfFgGhHiI" {
39		println("BUG: bug221c: ", s)
40		panic("fail")
41	}
42}
43