1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/* PR c/7652 */
/* { dg-do compile } */
/* { dg-require-effective-target alloca } */
/* { dg-options "-Wimplicit-fallthrough" } */
extern void bar (int);
extern int bar2 (void);
extern int *map;
void
f (int i)
{
switch (i)
{
case 1:
bar (0); /* { dg-warning "statement may fall through" } */
static int i = 10;
case 2:
bar (99);
}
switch (i)
{
case 1:
{ /* { dg-warning "statement may fall through" "" { target c } } */
int a[i];
} /* { dg-warning "statement may fall through" "" { target c++ } } */
case 2:
bar (99);
}
switch (i)
{
case 1:
for (int j = 0; j < 10; j++) /* { dg-warning "statement may fall through" "" { target c } } */
map[j] = j; /* { dg-warning "statement may fall through" "" { target c++ } } */
case 2:
bar (99);
}
switch (i)
{
case 1:
do
bar (2);
while (--i); /* { dg-warning "statement may fall through" } */
case 2:
bar (99);
}
switch (i)
{
case 1:
{
switch (i + 2) /* { dg-warning "statement may fall through" } */
case 4:
bar (1);
case 5:
bar (5);
return;
}
case 2:
bar (99);
}
switch (i)
{
case 1:;
case 2:;
}
switch (i)
{
}
switch (i)
{
case 1:
if (i & 1) /* { dg-warning "statement may fall through" } */
{
bar (23);
break;
}
case 2:
bar (99);
}
switch (i)
{
case 1:
if (i > 9) /* { dg-warning "statement may fall through" } */
{
bar (9);
if (i == 10)
{
bar (10);
break;
}
}
case 2:
bar (99);
}
int r;
switch (i)
{
case 1:
r = bar2 ();
if (r) /* { dg-warning "statement may fall through" } */
break;
case 2:
bar (99);
}
switch (i)
{
case 1:
r = bar2 ();
if (r)
return;
if (!i) /* { dg-warning "statement may fall through" } */
return;
case 2:
bar (99);
}
}
|
