|
111
|
1 /* Test operation of -Wparentheses. Warnings for assignments used as
|
|
|
2 truth-values shouldn't apply other than for plain assignment. */
|
|
|
3 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
|
|
|
4
|
|
|
5 /* { dg-do compile } */
|
|
|
6 /* { dg-options "-Wparentheses -std=gnu99" } */
|
|
|
7
|
|
|
8 int foo (int);
|
|
|
9
|
|
|
10 int a, b, c;
|
|
|
11 _Bool d;
|
|
|
12
|
|
|
13 void
|
|
|
14 bar (void)
|
|
|
15 {
|
|
|
16 if (a += b)
|
|
|
17 foo (0);
|
|
|
18 if (a -= a)
|
|
|
19 foo (1);
|
|
|
20 if (b *= c)
|
|
|
21 foo (2);
|
|
|
22 else
|
|
|
23 foo (3);
|
|
|
24 if (b /= b)
|
|
|
25 foo (4);
|
|
|
26 else
|
|
|
27 foo (5);
|
|
|
28 while (c %= b)
|
|
|
29 foo (6);
|
|
|
30 while (c <<= c)
|
|
|
31 foo (7);
|
|
|
32 do foo (8); while (a >>= b);
|
|
|
33 do foo (9); while (a &= a);
|
|
|
34 for (;c ^= b;)
|
|
|
35 foo (10);
|
|
|
36 for (;c |= c;)
|
|
|
37 foo (11);
|
|
|
38 d = a += b;
|
|
|
39 foo (12);
|
|
|
40 d = a -= a;
|
|
|
41 foo (13);
|
|
|
42 }
|
