Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/Wparentheses-2.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 /* Test operation of -Wparentheses. Warnings for X<=Y<=Z should be | |
2 there rather than hidden in -Wextra. */ | |
3 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ | |
4 | |
5 /* { dg-do compile } */ | |
6 /* { dg-options "-Wparentheses" } */ | |
7 | |
8 int foo (int); | |
9 | |
10 int | |
11 bar (int a, int b, int c) | |
12 { | |
13 foo (a <= b <= c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
14 foo ((a <= b) <= c); | |
15 foo (a <= (b <= c)); | |
16 foo (1 <= 2 <= c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
17 foo ((1 <= 2) <= c); | |
18 foo (1 <= (2 <= c)); | |
19 foo (1 <= 2 <= 3); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
20 foo ((1 <= 2) <= 3); | |
21 foo (1 <= (2 <= 3)); | |
22 foo (a > b > c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
23 foo ((a > b) > c); | |
24 foo (a > (b > c)); | |
25 foo (1 > 2 > c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
26 foo ((1 > 2) > c); | |
27 foo (1 > (2 > c)); | |
28 foo (1 > 2 > 3); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
29 foo ((1 > 2) > 3); | |
30 foo (1 > (2 > 3)); | |
31 foo (a < b <= c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
32 foo ((a < b) <= c); | |
33 foo (a < (b <= c)); | |
34 foo (1 < 2 <= c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
35 foo ((1 < 2) <= c); | |
36 foo (1 < (2 <= c)); | |
37 foo (1 < 2 <= 3); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
38 foo ((1 < 2) <= 3); | |
39 foo (1 < (2 <= 3)); | |
40 foo (a <= b > c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
41 foo ((a <= b) > c); | |
42 foo (a <= (b > c)); | |
43 foo (1 <= 2 > c); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
44 foo ((1 <= 2) > c); | |
45 foo (1 <= (2 > c)); | |
46 foo (1 <= 2 > 3); /* { dg-warning "mathematical meaning" "correct warning" } */ | |
47 foo ((1 <= 2) > 3); | |
48 foo (1 <= (2 > 3)); | |
49 foo (a <= b == c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
50 foo ((a <= b) == c); | |
51 foo (a <= (b == c)); | |
52 foo (1 <= 2 == c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
53 foo ((1 <= 2) == c); | |
54 foo (1 <= (2 == c)); | |
55 foo (1 <= 2 == 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
56 foo ((1 <= 2) == 3); | |
57 foo (1 <= (2 == 3)); | |
58 foo (a != b != c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
59 foo ((a != b) != c); | |
60 foo (a != (b != c)); | |
61 foo (1 != 2 != c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
62 foo ((1 != 2) != c); | |
63 foo (1 != (2 != c)); | |
64 foo (1 != 2 != 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
65 foo ((1 != 2) != 3); | |
66 foo (1 != (2 != 3)); | |
67 foo (a < b == c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
68 foo ((a < b) == c); | |
69 foo (a < (b == c)); | |
70 foo (a > b == c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
71 foo ((a > b) == c); | |
72 foo (a > (b == c)); | |
73 foo (a == b < c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
74 foo ((a == b) < c); | |
75 foo (a == (b < c)); | |
76 foo (a == b > c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
77 foo ((a == b) > c); | |
78 foo (a == (b > c)); | |
79 foo (a == b == c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
80 foo ((a == b) == c); | |
81 foo (a == (b == c)); | |
82 foo (1 == 2 == 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
83 foo ((1 == 2) == 3); | |
84 foo (1 == (2 == 3)); | |
85 foo (1 < 2 == 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
86 foo ((1 < 2) == 3); | |
87 foo (1 < (2 == 3)); | |
88 foo (1 > 2 == 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
89 foo ((1 > 2) == 3); | |
90 foo (1 > (2 == 3)); | |
91 foo (1 == 2 < 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
92 foo ((1 == 2) < 3); | |
93 foo (1 == (2 < 3)); | |
94 foo (1 == 2 > 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
95 foo ((1 == 2) > 3); | |
96 foo (1 == (2 > 3)); | |
97 foo (a < b != c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
98 foo ((a < b) != c); | |
99 foo (a < (b != c)); | |
100 foo (a > b != c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
101 foo ((a > b) != c); | |
102 foo (a > (b != c)); | |
103 foo (a != b < c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
104 foo ((a != b) < c); | |
105 foo (a != (b < c)); | |
106 foo (a != b > c); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
107 foo ((a != b) > c); | |
108 foo (a != (b > c)); | |
109 foo (1 < 2 != 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
110 foo ((1 < 2) != 3); | |
111 foo (1 < (2 != 3)); | |
112 foo (1 > 2 != 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
113 foo ((1 > 2) != 3); | |
114 foo (1 > (2 != 3)); | |
115 foo (1 != 2 < 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
116 foo ((1 != 2) < 3); | |
117 foo (1 != (2 < 3)); | |
118 foo (1 != 2 > 3); /* { dg-warning "suggest parentheses around comparison" "correct warning" } */ | |
119 foo ((1 != 2) > 3); | |
120 foo (1 != (2 > 3)); | |
121 } |