|
111
|
1 /* PR c/7652 */
|
|
|
2 /* { dg-do compile } */
|
|
|
3 /* { dg-options "-Wimplicit-fallthrough" } */
|
|
|
4
|
|
|
5 extern void bar (int);
|
|
|
6
|
|
|
7 /* Test nested scopes. */
|
|
|
8
|
|
|
9 void
|
|
|
10 f (int i)
|
|
|
11 {
|
|
|
12 switch (i)
|
|
|
13 {
|
|
|
14 case 1:
|
|
|
15 {
|
|
|
16 int j;
|
|
|
17 }
|
|
|
18 case 2:
|
|
|
19 bar (99);
|
|
|
20 }
|
|
|
21
|
|
|
22 switch (i)
|
|
|
23 {
|
|
|
24 case 1:
|
|
|
25 {
|
|
|
26 int j = 10; /* { dg-warning "statement may fall through" } */
|
|
|
27 }
|
|
|
28 case 2:
|
|
|
29 bar (99);
|
|
|
30 }
|
|
|
31
|
|
|
32 switch (i)
|
|
|
33 {
|
|
|
34 case 1:
|
|
|
35 {
|
|
|
36 int k = 9;
|
|
|
37 k++;
|
|
|
38 {
|
|
|
39 int j = 10;
|
|
|
40 j++; /* { dg-warning "statement may fall through" } */
|
|
|
41 }
|
|
|
42 }
|
|
|
43 case 2:
|
|
|
44 bar (99);
|
|
|
45 }
|
|
|
46
|
|
|
47 switch (i)
|
|
|
48 {
|
|
|
49 case 1:
|
|
|
50 {
|
|
|
51 int k = 9;
|
|
|
52 k++;
|
|
|
53 {
|
|
|
54 int j = 10;
|
|
|
55 j++;
|
|
|
56 {
|
|
|
57 bar (1); /* { dg-warning "statement may fall through" } */
|
|
|
58 }
|
|
|
59 }
|
|
|
60 }
|
|
|
61 case 2:
|
|
|
62 bar (99);
|
|
|
63 }
|
|
|
64
|
|
|
65 switch (i)
|
|
|
66 {
|
|
|
67 case 1:
|
|
|
68 {
|
|
|
69 int j = 0;
|
|
|
70 bar (j);
|
|
|
71 __attribute__((fallthrough));
|
|
|
72 }
|
|
|
73 case 2:
|
|
|
74 bar (99);
|
|
|
75 }
|
|
|
76
|
|
|
77 switch (i)
|
|
|
78 {
|
|
|
79 case 1:
|
|
|
80 {
|
|
|
81 int j = 0;
|
|
|
82 {
|
|
|
83 int k = j + 5;
|
|
|
84 bar (k);
|
|
|
85 __attribute__((fallthrough));
|
|
|
86 }
|
|
|
87 }
|
|
|
88 case 2:
|
|
|
89 bar (99);
|
|
|
90 }
|
|
|
91
|
|
|
92 switch (i)
|
|
|
93 {
|
|
|
94 case 1:
|
|
|
95 {
|
|
|
96 int j = 0;
|
|
|
97 bar (j);
|
|
|
98 return;
|
|
|
99 }
|
|
|
100 case 2:
|
|
|
101 bar (99);
|
|
|
102 }
|
|
|
103
|
|
|
104 switch (i)
|
|
|
105 {
|
|
|
106 case 1:
|
|
|
107 {
|
|
|
108 int j = 0;
|
|
|
109 bar (j);
|
|
|
110 goto L1;
|
|
|
111 }
|
|
|
112 L1:
|
|
|
113 case 2:
|
|
|
114 bar (99);
|
|
|
115 }
|
|
|
116
|
|
|
117 switch (i)
|
|
|
118 {
|
|
|
119 case 1:
|
|
|
120 { /* { dg-warning "statement may fall through" "" { target c } } */
|
|
|
121 int j = 0;
|
|
|
122 bar (j);
|
|
|
123 if (j == 8)
|
|
|
124 return; /* { dg-warning "statement may fall through" "" { target c++ } } */
|
|
|
125 }
|
|
|
126 case 2:
|
|
|
127 bar (99);
|
|
|
128 }
|
|
|
129
|
|
|
130 switch (i)
|
|
|
131 {
|
|
|
132 case 1:
|
|
|
133 {
|
|
|
134 int j = 0;
|
|
|
135 bar (j);
|
|
|
136 if (j == 8)
|
|
|
137 return;
|
|
|
138 else
|
|
|
139 return;
|
|
|
140 }
|
|
|
141 case 2:
|
|
|
142 bar (99);
|
|
|
143 }
|
|
|
144
|
|
|
145 switch (i)
|
|
|
146 {
|
|
|
147 case 1:
|
|
|
148 { /* { dg-warning "statement may fall through" "" { target c } } */
|
|
|
149 int j = 0;
|
|
|
150 bar (j);
|
|
|
151 if (j == 8)
|
|
|
152 bar (1);
|
|
|
153 else
|
|
|
154 return; /* { dg-warning "statement may fall through" "" { target c++ } } */
|
|
|
155 }
|
|
|
156 case 2:
|
|
|
157 bar (99);
|
|
|
158 }
|
|
|
159
|
|
|
160 switch (i)
|
|
|
161 {
|
|
|
162 case 1:
|
|
|
163 {
|
|
|
164 int j = 0;
|
|
|
165 bar (j);
|
|
|
166 if (j == 8)
|
|
|
167 return;
|
|
|
168 else
|
|
|
169 bar (2); /* { dg-warning "statement may fall through" } */
|
|
|
170 }
|
|
|
171 case 2:
|
|
|
172 bar (99);
|
|
|
173 }
|
|
|
174
|
|
|
175 switch (i)
|
|
|
176 {
|
|
|
177 case 1:
|
|
|
178 { /* { dg-warning "statement may fall through" "" { target c } } */
|
|
|
179 int j = 0;
|
|
|
180 bar (j);
|
|
|
181 if (j == 8)
|
|
|
182 bar (1);
|
|
|
183 else
|
|
|
184 bar (2); /* { dg-warning "statement may fall through" "" { target c++ } } */
|
|
|
185 }
|
|
|
186 case 2:
|
|
|
187 bar (99);
|
|
|
188 }
|
|
|
189
|
|
|
190 switch (i)
|
|
|
191 {
|
|
|
192 case 1:
|
|
|
193 {
|
|
|
194 int j = 0;
|
|
|
195 bar (j);
|
|
|
196 if (j == 8)
|
|
|
197 return;
|
|
|
198 }
|
|
|
199 break;
|
|
|
200 case 2:
|
|
|
201 bar (99);
|
|
|
202 }
|
|
|
203
|
|
|
204 switch (i)
|
|
|
205 {
|
|
|
206 case 1:
|
|
|
207 {
|
|
|
208 int j = 0;
|
|
|
209 bar (j);
|
|
|
210 if (j == 8)
|
|
|
211 return;
|
|
|
212 else
|
|
|
213 return;
|
|
|
214 }
|
|
|
215 break;
|
|
|
216 case 2:
|
|
|
217 bar (99);
|
|
|
218 }
|
|
|
219
|
|
|
220 switch (i)
|
|
|
221 {
|
|
|
222 case 1:
|
|
|
223 {
|
|
|
224 int j = 0;
|
|
|
225 bar (j);
|
|
|
226 if (j == 8)
|
|
|
227 bar (1);
|
|
|
228 else
|
|
|
229 return;
|
|
|
230 }
|
|
|
231 break;
|
|
|
232 case 2:
|
|
|
233 bar (99);
|
|
|
234 }
|
|
|
235
|
|
|
236 switch (i)
|
|
|
237 {
|
|
|
238 case 1:
|
|
|
239 {
|
|
|
240 int j = 0;
|
|
|
241 bar (j);
|
|
|
242 if (j == 8)
|
|
|
243 return;
|
|
|
244 else
|
|
|
245 bar (2);
|
|
|
246 }
|
|
|
247 break;
|
|
|
248 case 2:
|
|
|
249 bar (99);
|
|
|
250 }
|
|
|
251
|
|
|
252 switch (i)
|
|
|
253 {
|
|
|
254 case 1:
|
|
|
255 {
|
|
|
256 int j = 0;
|
|
|
257 bar (j);
|
|
|
258 if (j == 8)
|
|
|
259 bar (1);
|
|
|
260 else
|
|
|
261 bar (2);
|
|
|
262 }
|
|
|
263 break;
|
|
|
264 case 2:
|
|
|
265 bar (99);
|
|
|
266 }
|
|
|
267
|
|
|
268 switch (i)
|
|
|
269 {
|
|
|
270 case 1:
|
|
|
271 {
|
|
|
272 int j = 9;
|
|
|
273 while (1);
|
|
|
274 }
|
|
|
275 case 2:
|
|
|
276 bar (99);
|
|
|
277 }
|
|
|
278
|
|
|
279 switch (i)
|
|
|
280 {
|
|
|
281 case 1:
|
|
|
282 { /* { dg-warning "statement may fall through" "" { target c } } */
|
|
|
283 int j = 9;
|
|
|
284 switch (j); /* { dg-warning "statement may fall through" "" { target c++ } } */
|
|
|
285 }
|
|
|
286 case 2:
|
|
|
287 bar (99);
|
|
|
288 }
|
|
|
289
|
|
|
290 switch (i)
|
|
|
291 {
|
|
|
292 case 1:
|
|
|
293 {
|
|
|
294 int j = 0;
|
|
|
295 bar (j);
|
|
|
296 if (j == 8)
|
|
|
297 bar (1);
|
|
|
298 else
|
|
|
299 bar (2);
|
|
|
300 __attribute__((fallthrough));
|
|
|
301 }
|
|
|
302 case 2:
|
|
|
303 bar (99);
|
|
|
304 }
|
|
|
305 }
|
