1 // { dg-do compile }
2 // { dg-options "-Wparentheses" }
3
4 // C++ version of gcc.dg/Wparentheses-2.c.
5
6 int foo (int);
7
8 void
bar(int a,int b,int c)9 bar (int a, int b, int c)
10 {
11 foo (a <= b <= c); // { dg-warning "comparison" "correct warning" }
12 foo ((a <= b) <= c);
13 foo (a <= (b <= c));
14 foo (1 <= 2 <= c); // { dg-warning "comparison" "correct warning" }
15 foo ((1 <= 2) <= c);
16 foo (1 <= (2 <= c));
17 foo (1 <= 2 <= 3); // { dg-warning "comparison" "correct warning" }
18 foo ((1 <= 2) <= 3);
19 foo (1 <= (2 <= 3));
20 foo (a > b > c); // { dg-warning "comparison" "correct warning" }
21 foo ((a > b) > c);
22 foo (a > (b > c));
23 foo (1 > 2 > c); // { dg-warning "comparison" "correct warning" }
24 foo ((1 > 2) > c);
25 foo (1 > (2 > c));
26 foo (1 > 2 > 3); // { dg-warning "comparison" "correct warning" }
27 foo ((1 > 2) > 3);
28 foo (1 > (2 > 3));
29 foo (a < b <= c); // { dg-warning "comparison" "correct warning" }
30 foo ((a < b) <= c);
31 foo (a < (b <= c));
32 foo (1 < 2 <= c); // { dg-warning "comparison" "correct warning" }
33 foo ((1 < 2) <= c);
34 foo (1 < (2 <= c));
35 foo (1 < 2 <= 3); // { dg-warning "comparison" "correct warning" }
36 foo ((1 < 2) <= 3);
37 foo (1 < (2 <= 3));
38 foo (a <= b > c); // { dg-warning "comparison" "correct warning" }
39 foo ((a <= b) > c);
40 foo (a <= (b > c));
41 foo (1 <= 2 > c); // { dg-warning "comparison" "correct warning" }
42 foo ((1 <= 2) > c);
43 foo (1 <= (2 > c));
44 foo (1 <= 2 > 3); // { dg-warning "comparison" "correct warning" }
45 foo ((1 <= 2) > 3);
46 foo (1 <= (2 > 3));
47 foo (a <= b == c); // { dg-warning "comparison" "correct warning" }
48 foo ((a <= b) == c);
49 foo (a <= (b == c));
50 foo (1 <= 2 == c); // { dg-warning "comparison" "correct warning" }
51 foo ((1 <= 2) == c);
52 foo (1 <= (2 == c));
53 foo (1 <= 2 == 3); // { dg-warning "comparison" "correct warning" }
54 foo ((1 <= 2) == 3);
55 foo (1 <= (2 == 3));
56 foo (a != b != c); // { dg-warning "comparison" "correct warning" }
57 foo ((a != b) != c);
58 foo (a != (b != c));
59 foo (1 != 2 != c); // { dg-warning "comparison" "correct warning" }
60 foo ((1 != 2) != c);
61 foo (1 != (2 != c));
62 foo (1 != 2 != 3); // { dg-warning "comparison" "correct warning" }
63 foo ((1 != 2) != 3);
64 foo (1 != (2 != 3));
65 }
66