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
7package main
8
9var gen = 'a'
10
11func f(n int) string {
12	s := string(gen) + string(n+'A'-1)
13	gen++
14	return s
15}
16
17func g(x, y string) string { return x + y }
18
19var v1 = f(1) + f(2)
20var v2 = g(f(3), f(4))
21var v3 = f(5) + f(6) + f(7) + f(8) + f(9)
22
23func main() {
24	gen = 'a'
25
26	if v1 != "aAbB" {
27		panic("BUG: bug236a")
28	}
29	if v2 != "cCdD" {
30		panic("BUG: bug236b")
31	}
32	if v3 != "eEfFgGhHiI" {
33		panic("BUG: bug236c")
34	}
35
36	switch "aAbB" {
37	case f(1) + f(2):
38	default:
39		panic("BUG: bug236d")
40	}
41
42	switch "cCdD" {
43	case g(f(3), f(4)):
44	default:
45		panic("BUG: bug236e")
46	}
47
48	switch "eEfFgGhHiI" {
49	case f(5) + f(6) + f(7) + f(8) + f(9):
50	default:
51		panic("BUG: bug236f")
52	}
53}
54