1 /* PR rtl-optimization/21330 */
2
3 extern void abort (void);
4 extern int strcmp (const char *, const char *);
5
6 int
7 __attribute__((noinline))
bar(const char ** x)8 bar (const char **x)
9 {
10 return *(*x)++;
11 }
12
13 int
14 __attribute__((noinline))
baz(int c)15 baz (int c)
16 {
17 return c != '@';
18 }
19
20 void
21 __attribute__((noinline))
foo(const char ** w,char * x,_Bool y,_Bool z)22 foo (const char **w, char *x, _Bool y, _Bool z)
23 {
24 char c = bar (w);
25 int i = 0;
26
27 while (1)
28 {
29 x[i++] = c;
30 c = bar (w);
31 if (y && c == '\'')
32 break;
33 if (z && c == '\"')
34 break;
35 if (!y && !z && !baz (c))
36 break;
37 }
38 x[i] = 0;
39 }
40
41 int
main(void)42 main (void)
43 {
44 char buf[64];
45 const char *p;
46 p = "abcde'fgh";
47 foo (&p, buf, 1, 0);
48 if (strcmp (p, "fgh") != 0 || strcmp (buf, "abcde") != 0)
49 abort ();
50 p = "ABCDEFG\"HI";
51 foo (&p, buf, 0, 1);
52 if (strcmp (p, "HI") != 0 || strcmp (buf, "ABCDEFG") != 0)
53 abort ();
54 p = "abcd\"e'fgh";
55 foo (&p, buf, 1, 1);
56 if (strcmp (p, "e'fgh") != 0 || strcmp (buf, "abcd") != 0)
57 abort ();
58 p = "ABCDEF'G\"HI";
59 foo (&p, buf, 1, 1);
60 if (strcmp (p, "G\"HI") != 0 || strcmp (buf, "ABCDEF") != 0)
61 abort ();
62 p = "abcdef@gh";
63 foo (&p, buf, 0, 0);
64 if (strcmp (p, "gh") != 0 || strcmp (buf, "abcdef") != 0)
65 abort ();
66 return 0;
67 }
68