path-notes.m revision 368f3b070e8cb657a65bfa443d60256676d269e7 
1// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=text -analyzer-config suppress-null-return-paths=false -fblocks -verify %s
2// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=plist-multi-file -analyzer-config suppress-null-return-paths=false -fblocks %s -o %t.plist
3// RUN: FileCheck --input-file=%t.plist %s
4
5typedef struct dispatch_queue_s *dispatch_queue_t;
6typedef void (^dispatch_block_t)(void);
7void dispatch_sync(dispatch_queue_t, dispatch_block_t);
8
9
10@interface Test
11@property int *p;
12@end
13
14int *getZeroIfNil(Test *x) {
15  return x.p;
16  // expected-note@-1 {{No method is called because the receiver is nil}}
17  // expected-note@-2 {{Returning null pointer}}
18}
19
20void testReturnZeroIfNil() {
21  *getZeroIfNil(0) = 1; // expected-warning{{Dereference of null pointer}}
22  // expected-note@-1 {{Calling 'getZeroIfNil'}}
23  // expected-note@-2 {{Passing nil object reference via 1st parameter 'x'}}
24  // expected-note@-3 {{Returning from 'getZeroIfNil'}}
25  // expected-note@-4 {{Dereference of null pointer}}
26}
27
28
29int testDispatchSyncInlining() {
30  extern dispatch_queue_t globalQueue;
31
32  __block int x;
33
34  // expected-note@+2 {{Calling 'dispatch_sync'}}
35  // expected-note@+1 {{Returning from 'dispatch_sync'}}
36  dispatch_sync(globalQueue, ^{
37    // expected-note@7 {{Calling anonymous block}}
38    x = 0;
39    // expected-note@-1 {{The value 0 is assigned to 'x'}}
40    // expected-note@7 {{Returning to caller}}
41  });
42
43  return 1 / x; // expected-warning{{Division by zero}}
44  // expected-note@-1 {{Division by zero}}
45}
46
47
48// CHECK:  <key>diagnostics</key>
49// CHECK-NEXT:  <array>
50// CHECK-NEXT:   <dict>
51// CHECK-NEXT:    <key>path</key>
52// CHECK-NEXT:    <array>
53// CHECK-NEXT:     <dict>
54// CHECK-NEXT:      <key>kind</key><string>control</string>
55// CHECK-NEXT:      <key>edges</key>
56// CHECK-NEXT:       <array>
57// CHECK-NEXT:        <dict>
58// CHECK-NEXT:         <key>start</key>
59// CHECK-NEXT:          <array>
60// CHECK-NEXT:           <dict>
61// CHECK-NEXT:            <key>line</key><integer>21</integer>
62// CHECK-NEXT:            <key>col</key><integer>3</integer>
63// CHECK-NEXT:            <key>file</key><integer>0</integer>
64// CHECK-NEXT:           </dict>
65// CHECK-NEXT:           <dict>
66// CHECK-NEXT:            <key>line</key><integer>21</integer>
67// CHECK-NEXT:            <key>col</key><integer>3</integer>
68// CHECK-NEXT:            <key>file</key><integer>0</integer>
69// CHECK-NEXT:           </dict>
70// CHECK-NEXT:          </array>
71// CHECK-NEXT:         <key>end</key>
72// CHECK-NEXT:          <array>
73// CHECK-NEXT:           <dict>
74// CHECK-NEXT:            <key>line</key><integer>21</integer>
75// CHECK-NEXT:            <key>col</key><integer>17</integer>
76// CHECK-NEXT:            <key>file</key><integer>0</integer>
77// CHECK-NEXT:           </dict>
78// CHECK-NEXT:           <dict>
79// CHECK-NEXT:            <key>line</key><integer>21</integer>
80// CHECK-NEXT:            <key>col</key><integer>17</integer>
81// CHECK-NEXT:            <key>file</key><integer>0</integer>
82// CHECK-NEXT:           </dict>
83// CHECK-NEXT:          </array>
84// CHECK-NEXT:        </dict>
85// CHECK-NEXT:       </array>
86// CHECK-NEXT:     </dict>
87// CHECK-NEXT:     <dict>
88// CHECK-NEXT:      <key>kind</key><string>event</string>
89// CHECK-NEXT:      <key>location</key>
90// CHECK-NEXT:      <dict>
91// CHECK-NEXT:       <key>line</key><integer>21</integer>
92// CHECK-NEXT:       <key>col</key><integer>17</integer>
93// CHECK-NEXT:       <key>file</key><integer>0</integer>
94// CHECK-NEXT:      </dict>
95// CHECK-NEXT:      <key>ranges</key>
96// CHECK-NEXT:      <array>
97// CHECK-NEXT:        <array>
98// CHECK-NEXT:         <dict>
99// CHECK-NEXT:          <key>line</key><integer>21</integer>
100// CHECK-NEXT:          <key>col</key><integer>17</integer>
101// CHECK-NEXT:          <key>file</key><integer>0</integer>
102// CHECK-NEXT:         </dict>
103// CHECK-NEXT:         <dict>
104// CHECK-NEXT:          <key>line</key><integer>21</integer>
105// CHECK-NEXT:          <key>col</key><integer>17</integer>
106// CHECK-NEXT:          <key>file</key><integer>0</integer>
107// CHECK-NEXT:         </dict>
108// CHECK-NEXT:        </array>
109// CHECK-NEXT:      </array>
110// CHECK-NEXT:      <key>depth</key><integer>0</integer>
111// CHECK-NEXT:      <key>extended_message</key>
112// CHECK-NEXT:      <string>Passing nil object reference via 1st parameter &apos;x&apos;</string>
113// CHECK-NEXT:      <key>message</key>
114// CHECK-NEXT:      <string>Passing nil object reference via 1st parameter &apos;x&apos;</string>
115// CHECK-NEXT:     </dict>
116// CHECK-NEXT:     <dict>
117// CHECK-NEXT:      <key>kind</key><string>control</string>
118// CHECK-NEXT:      <key>edges</key>
119// CHECK-NEXT:       <array>
120// CHECK-NEXT:        <dict>
121// CHECK-NEXT:         <key>start</key>
122// CHECK-NEXT:          <array>
123// CHECK-NEXT:           <dict>
124// CHECK-NEXT:            <key>line</key><integer>21</integer>
125// CHECK-NEXT:            <key>col</key><integer>17</integer>
126// CHECK-NEXT:            <key>file</key><integer>0</integer>
127// CHECK-NEXT:           </dict>
128// CHECK-NEXT:           <dict>
129// CHECK-NEXT:            <key>line</key><integer>21</integer>
130// CHECK-NEXT:            <key>col</key><integer>17</integer>
131// CHECK-NEXT:            <key>file</key><integer>0</integer>
132// CHECK-NEXT:           </dict>
133// CHECK-NEXT:          </array>
134// CHECK-NEXT:         <key>end</key>
135// CHECK-NEXT:          <array>
136// CHECK-NEXT:           <dict>
137// CHECK-NEXT:            <key>line</key><integer>21</integer>
138// CHECK-NEXT:            <key>col</key><integer>4</integer>
139// CHECK-NEXT:            <key>file</key><integer>0</integer>
140// CHECK-NEXT:           </dict>
141// CHECK-NEXT:           <dict>
142// CHECK-NEXT:            <key>line</key><integer>21</integer>
143// CHECK-NEXT:            <key>col</key><integer>15</integer>
144// CHECK-NEXT:            <key>file</key><integer>0</integer>
145// CHECK-NEXT:           </dict>
146// CHECK-NEXT:          </array>
147// CHECK-NEXT:        </dict>
148// CHECK-NEXT:       </array>
149// CHECK-NEXT:     </dict>
150// CHECK-NEXT:     <dict>
151// CHECK-NEXT:      <key>kind</key><string>event</string>
152// CHECK-NEXT:      <key>location</key>
153// CHECK-NEXT:      <dict>
154// CHECK-NEXT:       <key>line</key><integer>21</integer>
155// CHECK-NEXT:       <key>col</key><integer>4</integer>
156// CHECK-NEXT:       <key>file</key><integer>0</integer>
157// CHECK-NEXT:      </dict>
158// CHECK-NEXT:      <key>ranges</key>
159// CHECK-NEXT:      <array>
160// CHECK-NEXT:        <array>
161// CHECK-NEXT:         <dict>
162// CHECK-NEXT:          <key>line</key><integer>21</integer>
163// CHECK-NEXT:          <key>col</key><integer>4</integer>
164// CHECK-NEXT:          <key>file</key><integer>0</integer>
165// CHECK-NEXT:         </dict>
166// CHECK-NEXT:         <dict>
167// CHECK-NEXT:          <key>line</key><integer>21</integer>
168// CHECK-NEXT:          <key>col</key><integer>18</integer>
169// CHECK-NEXT:          <key>file</key><integer>0</integer>
170// CHECK-NEXT:         </dict>
171// CHECK-NEXT:        </array>
172// CHECK-NEXT:      </array>
173// CHECK-NEXT:      <key>depth</key><integer>0</integer>
174// CHECK-NEXT:      <key>extended_message</key>
175// CHECK-NEXT:      <string>Calling &apos;getZeroIfNil&apos;</string>
176// CHECK-NEXT:      <key>message</key>
177// CHECK-NEXT:      <string>Calling &apos;getZeroIfNil&apos;</string>
178// CHECK-NEXT:     </dict>
179// CHECK-NEXT:     <dict>
180// CHECK-NEXT:      <key>kind</key><string>event</string>
181// CHECK-NEXT:      <key>location</key>
182// CHECK-NEXT:      <dict>
183// CHECK-NEXT:       <key>line</key><integer>14</integer>
184// CHECK-NEXT:       <key>col</key><integer>1</integer>
185// CHECK-NEXT:       <key>file</key><integer>0</integer>
186// CHECK-NEXT:      </dict>
187// CHECK-NEXT:      <key>depth</key><integer>1</integer>
188// CHECK-NEXT:      <key>extended_message</key>
189// CHECK-NEXT:      <string>Entered call from &apos;testReturnZeroIfNil&apos;</string>
190// CHECK-NEXT:      <key>message</key>
191// CHECK-NEXT:      <string>Entered call from &apos;testReturnZeroIfNil&apos;</string>
192// CHECK-NEXT:     </dict>
193// CHECK-NEXT:     <dict>
194// CHECK-NEXT:      <key>kind</key><string>control</string>
195// CHECK-NEXT:      <key>edges</key>
196// CHECK-NEXT:       <array>
197// CHECK-NEXT:        <dict>
198// CHECK-NEXT:         <key>start</key>
199// CHECK-NEXT:          <array>
200// CHECK-NEXT:           <dict>
201// CHECK-NEXT:            <key>line</key><integer>14</integer>
202// CHECK-NEXT:            <key>col</key><integer>1</integer>
203// CHECK-NEXT:            <key>file</key><integer>0</integer>
204// CHECK-NEXT:           </dict>
205// CHECK-NEXT:           <dict>
206// CHECK-NEXT:            <key>line</key><integer>14</integer>
207// CHECK-NEXT:            <key>col</key><integer>3</integer>
208// CHECK-NEXT:            <key>file</key><integer>0</integer>
209// CHECK-NEXT:           </dict>
210// CHECK-NEXT:          </array>
211// CHECK-NEXT:         <key>end</key>
212// CHECK-NEXT:          <array>
213// CHECK-NEXT:           <dict>
214// CHECK-NEXT:            <key>line</key><integer>15</integer>
215// CHECK-NEXT:            <key>col</key><integer>3</integer>
216// CHECK-NEXT:            <key>file</key><integer>0</integer>
217// CHECK-NEXT:           </dict>
218// CHECK-NEXT:           <dict>
219// CHECK-NEXT:            <key>line</key><integer>15</integer>
220// CHECK-NEXT:            <key>col</key><integer>8</integer>
221// CHECK-NEXT:            <key>file</key><integer>0</integer>
222// CHECK-NEXT:           </dict>
223// CHECK-NEXT:          </array>
224// CHECK-NEXT:        </dict>
225// CHECK-NEXT:       </array>
226// CHECK-NEXT:     </dict>
227// CHECK-NEXT:     <dict>
228// CHECK-NEXT:      <key>kind</key><string>control</string>
229// CHECK-NEXT:      <key>edges</key>
230// CHECK-NEXT:       <array>
231// CHECK-NEXT:        <dict>
232// CHECK-NEXT:         <key>start</key>
233// CHECK-NEXT:          <array>
234// CHECK-NEXT:           <dict>
235// CHECK-NEXT:            <key>line</key><integer>15</integer>
236// CHECK-NEXT:            <key>col</key><integer>3</integer>
237// CHECK-NEXT:            <key>file</key><integer>0</integer>
238// CHECK-NEXT:           </dict>
239// CHECK-NEXT:           <dict>
240// CHECK-NEXT:            <key>line</key><integer>15</integer>
241// CHECK-NEXT:            <key>col</key><integer>8</integer>
242// CHECK-NEXT:            <key>file</key><integer>0</integer>
243// CHECK-NEXT:           </dict>
244// CHECK-NEXT:          </array>
245// CHECK-NEXT:         <key>end</key>
246// CHECK-NEXT:          <array>
247// CHECK-NEXT:           <dict>
248// CHECK-NEXT:            <key>line</key><integer>15</integer>
249// CHECK-NEXT:            <key>col</key><integer>10</integer>
250// CHECK-NEXT:            <key>file</key><integer>0</integer>
251// CHECK-NEXT:           </dict>
252// CHECK-NEXT:           <dict>
253// CHECK-NEXT:            <key>line</key><integer>15</integer>
254// CHECK-NEXT:            <key>col</key><integer>10</integer>
255// CHECK-NEXT:            <key>file</key><integer>0</integer>
256// CHECK-NEXT:           </dict>
257// CHECK-NEXT:          </array>
258// CHECK-NEXT:        </dict>
259// CHECK-NEXT:       </array>
260// CHECK-NEXT:     </dict>
261// CHECK-NEXT:     <dict>
262// CHECK-NEXT:      <key>kind</key><string>event</string>
263// CHECK-NEXT:      <key>location</key>
264// CHECK-NEXT:      <dict>
265// CHECK-NEXT:       <key>line</key><integer>15</integer>
266// CHECK-NEXT:       <key>col</key><integer>10</integer>
267// CHECK-NEXT:       <key>file</key><integer>0</integer>
268// CHECK-NEXT:      </dict>
269// CHECK-NEXT:      <key>ranges</key>
270// CHECK-NEXT:      <array>
271// CHECK-NEXT:        <array>
272// CHECK-NEXT:         <dict>
273// CHECK-NEXT:          <key>line</key><integer>15</integer>
274// CHECK-NEXT:          <key>col</key><integer>10</integer>
275// CHECK-NEXT:          <key>file</key><integer>0</integer>
276// CHECK-NEXT:         </dict>
277// CHECK-NEXT:         <dict>
278// CHECK-NEXT:          <key>line</key><integer>15</integer>
279// CHECK-NEXT:          <key>col</key><integer>10</integer>
280// CHECK-NEXT:          <key>file</key><integer>0</integer>
281// CHECK-NEXT:         </dict>
282// CHECK-NEXT:        </array>
283// CHECK-NEXT:      </array>
284// CHECK-NEXT:      <key>depth</key><integer>1</integer>
285// CHECK-NEXT:      <key>extended_message</key>
286// CHECK-NEXT:      <string>No method is called because the receiver is nil</string>
287// CHECK-NEXT:      <key>message</key>
288// CHECK-NEXT:      <string>No method is called because the receiver is nil</string>
289// CHECK-NEXT:     </dict>
290// CHECK-NEXT:     <dict>
291// CHECK-NEXT:      <key>kind</key><string>control</string>
292// CHECK-NEXT:      <key>edges</key>
293// CHECK-NEXT:       <array>
294// CHECK-NEXT:        <dict>
295// CHECK-NEXT:         <key>start</key>
296// CHECK-NEXT:          <array>
297// CHECK-NEXT:           <dict>
298// CHECK-NEXT:            <key>line</key><integer>15</integer>
299// CHECK-NEXT:            <key>col</key><integer>10</integer>
300// CHECK-NEXT:            <key>file</key><integer>0</integer>
301// CHECK-NEXT:           </dict>
302// CHECK-NEXT:           <dict>
303// CHECK-NEXT:            <key>line</key><integer>15</integer>
304// CHECK-NEXT:            <key>col</key><integer>10</integer>
305// CHECK-NEXT:            <key>file</key><integer>0</integer>
306// CHECK-NEXT:           </dict>
307// CHECK-NEXT:          </array>
308// CHECK-NEXT:         <key>end</key>
309// CHECK-NEXT:          <array>
310// CHECK-NEXT:           <dict>
311// CHECK-NEXT:            <key>line</key><integer>15</integer>
312// CHECK-NEXT:            <key>col</key><integer>3</integer>
313// CHECK-NEXT:            <key>file</key><integer>0</integer>
314// CHECK-NEXT:           </dict>
315// CHECK-NEXT:           <dict>
316// CHECK-NEXT:            <key>line</key><integer>15</integer>
317// CHECK-NEXT:            <key>col</key><integer>8</integer>
318// CHECK-NEXT:            <key>file</key><integer>0</integer>
319// CHECK-NEXT:           </dict>
320// CHECK-NEXT:          </array>
321// CHECK-NEXT:        </dict>
322// CHECK-NEXT:       </array>
323// CHECK-NEXT:     </dict>
324// CHECK-NEXT:     <dict>
325// CHECK-NEXT:      <key>kind</key><string>event</string>
326// CHECK-NEXT:      <key>location</key>
327// CHECK-NEXT:      <dict>
328// CHECK-NEXT:       <key>line</key><integer>15</integer>
329// CHECK-NEXT:       <key>col</key><integer>3</integer>
330// CHECK-NEXT:       <key>file</key><integer>0</integer>
331// CHECK-NEXT:      </dict>
332// CHECK-NEXT:      <key>ranges</key>
333// CHECK-NEXT:      <array>
334// CHECK-NEXT:        <array>
335// CHECK-NEXT:         <dict>
336// CHECK-NEXT:          <key>line</key><integer>15</integer>
337// CHECK-NEXT:          <key>col</key><integer>3</integer>
338// CHECK-NEXT:          <key>file</key><integer>0</integer>
339// CHECK-NEXT:         </dict>
340// CHECK-NEXT:         <dict>
341// CHECK-NEXT:          <key>line</key><integer>15</integer>
342// CHECK-NEXT:          <key>col</key><integer>12</integer>
343// CHECK-NEXT:          <key>file</key><integer>0</integer>
344// CHECK-NEXT:         </dict>
345// CHECK-NEXT:        </array>
346// CHECK-NEXT:      </array>
347// CHECK-NEXT:      <key>depth</key><integer>1</integer>
348// CHECK-NEXT:      <key>extended_message</key>
349// CHECK-NEXT:      <string>Returning null pointer</string>
350// CHECK-NEXT:      <key>message</key>
351// CHECK-NEXT:      <string>Returning null pointer</string>
352// CHECK-NEXT:     </dict>
353// CHECK-NEXT:     <dict>
354// CHECK-NEXT:      <key>kind</key><string>event</string>
355// CHECK-NEXT:      <key>location</key>
356// CHECK-NEXT:      <dict>
357// CHECK-NEXT:       <key>line</key><integer>21</integer>
358// CHECK-NEXT:       <key>col</key><integer>4</integer>
359// CHECK-NEXT:       <key>file</key><integer>0</integer>
360// CHECK-NEXT:      </dict>
361// CHECK-NEXT:      <key>ranges</key>
362// CHECK-NEXT:      <array>
363// CHECK-NEXT:        <array>
364// CHECK-NEXT:         <dict>
365// CHECK-NEXT:          <key>line</key><integer>21</integer>
366// CHECK-NEXT:          <key>col</key><integer>4</integer>
367// CHECK-NEXT:          <key>file</key><integer>0</integer>
368// CHECK-NEXT:         </dict>
369// CHECK-NEXT:         <dict>
370// CHECK-NEXT:          <key>line</key><integer>21</integer>
371// CHECK-NEXT:          <key>col</key><integer>18</integer>
372// CHECK-NEXT:          <key>file</key><integer>0</integer>
373// CHECK-NEXT:         </dict>
374// CHECK-NEXT:        </array>
375// CHECK-NEXT:      </array>
376// CHECK-NEXT:      <key>depth</key><integer>1</integer>
377// CHECK-NEXT:      <key>extended_message</key>
378// CHECK-NEXT:      <string>Returning from &apos;getZeroIfNil&apos;</string>
379// CHECK-NEXT:      <key>message</key>
380// CHECK-NEXT:      <string>Returning from &apos;getZeroIfNil&apos;</string>
381// CHECK-NEXT:     </dict>
382// CHECK-NEXT:     <dict>
383// CHECK-NEXT:      <key>kind</key><string>control</string>
384// CHECK-NEXT:      <key>edges</key>
385// CHECK-NEXT:       <array>
386// CHECK-NEXT:        <dict>
387// CHECK-NEXT:         <key>start</key>
388// CHECK-NEXT:          <array>
389// CHECK-NEXT:           <dict>
390// CHECK-NEXT:            <key>line</key><integer>21</integer>
391// CHECK-NEXT:            <key>col</key><integer>3</integer>
392// CHECK-NEXT:            <key>file</key><integer>0</integer>
393// CHECK-NEXT:           </dict>
394// CHECK-NEXT:           <dict>
395// CHECK-NEXT:            <key>line</key><integer>21</integer>
396// CHECK-NEXT:            <key>col</key><integer>3</integer>
397// CHECK-NEXT:            <key>file</key><integer>0</integer>
398// CHECK-NEXT:           </dict>
399// CHECK-NEXT:          </array>
400// CHECK-NEXT:         <key>end</key>
401// CHECK-NEXT:          <array>
402// CHECK-NEXT:           <dict>
403// CHECK-NEXT:            <key>line</key><integer>21</integer>
404// CHECK-NEXT:            <key>col</key><integer>4</integer>
405// CHECK-NEXT:            <key>file</key><integer>0</integer>
406// CHECK-NEXT:           </dict>
407// CHECK-NEXT:           <dict>
408// CHECK-NEXT:            <key>line</key><integer>21</integer>
409// CHECK-NEXT:            <key>col</key><integer>15</integer>
410// CHECK-NEXT:            <key>file</key><integer>0</integer>
411// CHECK-NEXT:           </dict>
412// CHECK-NEXT:          </array>
413// CHECK-NEXT:        </dict>
414// CHECK-NEXT:       </array>
415// CHECK-NEXT:     </dict>
416// CHECK-NEXT:     <dict>
417// CHECK-NEXT:      <key>kind</key><string>control</string>
418// CHECK-NEXT:      <key>edges</key>
419// CHECK-NEXT:       <array>
420// CHECK-NEXT:        <dict>
421// CHECK-NEXT:         <key>start</key>
422// CHECK-NEXT:          <array>
423// CHECK-NEXT:           <dict>
424// CHECK-NEXT:            <key>line</key><integer>21</integer>
425// CHECK-NEXT:            <key>col</key><integer>4</integer>
426// CHECK-NEXT:            <key>file</key><integer>0</integer>
427// CHECK-NEXT:           </dict>
428// CHECK-NEXT:           <dict>
429// CHECK-NEXT:            <key>line</key><integer>21</integer>
430// CHECK-NEXT:            <key>col</key><integer>15</integer>
431// CHECK-NEXT:            <key>file</key><integer>0</integer>
432// CHECK-NEXT:           </dict>
433// CHECK-NEXT:          </array>
434// CHECK-NEXT:         <key>end</key>
435// CHECK-NEXT:          <array>
436// CHECK-NEXT:           <dict>
437// CHECK-NEXT:            <key>line</key><integer>21</integer>
438// CHECK-NEXT:            <key>col</key><integer>3</integer>
439// CHECK-NEXT:            <key>file</key><integer>0</integer>
440// CHECK-NEXT:           </dict>
441// CHECK-NEXT:           <dict>
442// CHECK-NEXT:            <key>line</key><integer>21</integer>
443// CHECK-NEXT:            <key>col</key><integer>3</integer>
444// CHECK-NEXT:            <key>file</key><integer>0</integer>
445// CHECK-NEXT:           </dict>
446// CHECK-NEXT:          </array>
447// CHECK-NEXT:        </dict>
448// CHECK-NEXT:       </array>
449// CHECK-NEXT:     </dict>
450// CHECK-NEXT:     <dict>
451// CHECK-NEXT:      <key>kind</key><string>event</string>
452// CHECK-NEXT:      <key>location</key>
453// CHECK-NEXT:      <dict>
454// CHECK-NEXT:       <key>line</key><integer>21</integer>
455// CHECK-NEXT:       <key>col</key><integer>3</integer>
456// CHECK-NEXT:       <key>file</key><integer>0</integer>
457// CHECK-NEXT:      </dict>
458// CHECK-NEXT:      <key>ranges</key>
459// CHECK-NEXT:      <array>
460// CHECK-NEXT:        <array>
461// CHECK-NEXT:         <dict>
462// CHECK-NEXT:          <key>line</key><integer>21</integer>
463// CHECK-NEXT:          <key>col</key><integer>3</integer>
464// CHECK-NEXT:          <key>file</key><integer>0</integer>
465// CHECK-NEXT:         </dict>
466// CHECK-NEXT:         <dict>
467// CHECK-NEXT:          <key>line</key><integer>21</integer>
468// CHECK-NEXT:          <key>col</key><integer>22</integer>
469// CHECK-NEXT:          <key>file</key><integer>0</integer>
470// CHECK-NEXT:         </dict>
471// CHECK-NEXT:        </array>
472// CHECK-NEXT:      </array>
473// CHECK-NEXT:      <key>depth</key><integer>0</integer>
474// CHECK-NEXT:      <key>extended_message</key>
475// CHECK-NEXT:      <string>Dereference of null pointer</string>
476// CHECK-NEXT:      <key>message</key>
477// CHECK-NEXT:      <string>Dereference of null pointer</string>
478// CHECK-NEXT:     </dict>
479// CHECK-NEXT:    </array>
480// CHECK-NEXT:    <key>description</key><string>Dereference of null pointer</string>
481// CHECK-NEXT:    <key>category</key><string>Logic error</string>
482// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
483// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
484// CHECK-NEXT:   <key>issue_context</key><string>testReturnZeroIfNil</string>
485// CHECK-NEXT:   <key>issue_hash</key><integer>1</integer>
486// CHECK-NEXT:   <key>location</key>
487// CHECK-NEXT:   <dict>
488// CHECK-NEXT:    <key>line</key><integer>21</integer>
489// CHECK-NEXT:    <key>col</key><integer>3</integer>
490// CHECK-NEXT:    <key>file</key><integer>0</integer>
491// CHECK-NEXT:   </dict>
492// CHECK-NEXT:   </dict>
493// CHECK-NEXT:   <dict>
494// CHECK-NEXT:    <key>path</key>
495// CHECK-NEXT:    <array>
496// CHECK-NEXT:     <dict>
497// CHECK-NEXT:      <key>kind</key><string>control</string>
498// CHECK-NEXT:      <key>edges</key>
499// CHECK-NEXT:       <array>
500// CHECK-NEXT:        <dict>
501// CHECK-NEXT:         <key>start</key>
502// CHECK-NEXT:          <array>
503// CHECK-NEXT:           <dict>
504// CHECK-NEXT:            <key>line</key><integer>30</integer>
505// CHECK-NEXT:            <key>col</key><integer>3</integer>
506// CHECK-NEXT:            <key>file</key><integer>0</integer>
507// CHECK-NEXT:           </dict>
508// CHECK-NEXT:           <dict>
509// CHECK-NEXT:            <key>line</key><integer>30</integer>
510// CHECK-NEXT:            <key>col</key><integer>8</integer>
511// CHECK-NEXT:            <key>file</key><integer>0</integer>
512// CHECK-NEXT:           </dict>
513// CHECK-NEXT:          </array>
514// CHECK-NEXT:         <key>end</key>
515// CHECK-NEXT:          <array>
516// CHECK-NEXT:           <dict>
517// CHECK-NEXT:            <key>line</key><integer>36</integer>
518// CHECK-NEXT:            <key>col</key><integer>3</integer>
519// CHECK-NEXT:            <key>file</key><integer>0</integer>
520// CHECK-NEXT:           </dict>
521// CHECK-NEXT:           <dict>
522// CHECK-NEXT:            <key>line</key><integer>36</integer>
523// CHECK-NEXT:            <key>col</key><integer>15</integer>
524// CHECK-NEXT:            <key>file</key><integer>0</integer>
525// CHECK-NEXT:           </dict>
526// CHECK-NEXT:          </array>
527// CHECK-NEXT:        </dict>
528// CHECK-NEXT:       </array>
529// CHECK-NEXT:     </dict>
530// CHECK-NEXT:     <dict>
531// CHECK-NEXT:      <key>kind</key><string>event</string>
532// CHECK-NEXT:      <key>location</key>
533// CHECK-NEXT:      <dict>
534// CHECK-NEXT:       <key>line</key><integer>36</integer>
535// CHECK-NEXT:       <key>col</key><integer>3</integer>
536// CHECK-NEXT:       <key>file</key><integer>0</integer>
537// CHECK-NEXT:      </dict>
538// CHECK-NEXT:      <key>ranges</key>
539// CHECK-NEXT:      <array>
540// CHECK-NEXT:        <array>
541// CHECK-NEXT:         <dict>
542// CHECK-NEXT:          <key>line</key><integer>36</integer>
543// CHECK-NEXT:          <key>col</key><integer>3</integer>
544// CHECK-NEXT:          <key>file</key><integer>0</integer>
545// CHECK-NEXT:         </dict>
546// CHECK-NEXT:         <dict>
547// CHECK-NEXT:          <key>line</key><integer>41</integer>
548// CHECK-NEXT:          <key>col</key><integer>4</integer>
549// CHECK-NEXT:          <key>file</key><integer>0</integer>
550// CHECK-NEXT:         </dict>
551// CHECK-NEXT:        </array>
552// CHECK-NEXT:      </array>
553// CHECK-NEXT:      <key>depth</key><integer>0</integer>
554// CHECK-NEXT:      <key>extended_message</key>
555// CHECK-NEXT:      <string>Calling &apos;dispatch_sync&apos;</string>
556// CHECK-NEXT:      <key>message</key>
557// CHECK-NEXT:      <string>Calling &apos;dispatch_sync&apos;</string>
558// CHECK-NEXT:     </dict>
559// CHECK-NEXT:     <dict>
560// CHECK-NEXT:      <key>kind</key><string>event</string>
561// CHECK-NEXT:      <key>location</key>
562// CHECK-NEXT:      <dict>
563// CHECK-NEXT:       <key>line</key><integer>7</integer>
564// CHECK-NEXT:       <key>col</key><integer>1</integer>
565// CHECK-NEXT:       <key>file</key><integer>0</integer>
566// CHECK-NEXT:      </dict>
567// CHECK-NEXT:      <key>depth</key><integer>1</integer>
568// CHECK-NEXT:      <key>extended_message</key>
569// CHECK-NEXT:      <string>Entered call from &apos;testDispatchSyncInlining&apos;</string>
570// CHECK-NEXT:      <key>message</key>
571// CHECK-NEXT:      <string>Entered call from &apos;testDispatchSyncInlining&apos;</string>
572// CHECK-NEXT:     </dict>
573// CHECK-NEXT:     <dict>
574// CHECK-NEXT:      <key>kind</key><string>event</string>
575// CHECK-NEXT:      <key>location</key>
576// CHECK-NEXT:      <dict>
577// CHECK-NEXT:       <key>line</key><integer>7</integer>
578// CHECK-NEXT:       <key>col</key><integer>1</integer>
579// CHECK-NEXT:       <key>file</key><integer>0</integer>
580// CHECK-NEXT:      </dict>
581// CHECK-NEXT:      <key>depth</key><integer>1</integer>
582// CHECK-NEXT:      <key>extended_message</key>
583// CHECK-NEXT:      <string>Calling anonymous block</string>
584// CHECK-NEXT:      <key>message</key>
585// CHECK-NEXT:      <string>Calling anonymous block</string>
586// CHECK-NEXT:     </dict>
587// CHECK-NEXT:     <dict>
588// CHECK-NEXT:      <key>kind</key><string>event</string>
589// CHECK-NEXT:      <key>location</key>
590// CHECK-NEXT:      <dict>
591// CHECK-NEXT:       <key>line</key><integer>36</integer>
592// CHECK-NEXT:       <key>col</key><integer>30</integer>
593// CHECK-NEXT:       <key>file</key><integer>0</integer>
594// CHECK-NEXT:      </dict>
595// CHECK-NEXT:      <key>depth</key><integer>2</integer>
596// CHECK-NEXT:      <key>extended_message</key>
597// CHECK-NEXT:      <string>Entered call from &apos;dispatch_sync&apos;</string>
598// CHECK-NEXT:      <key>message</key>
599// CHECK-NEXT:      <string>Entered call from &apos;dispatch_sync&apos;</string>
600// CHECK-NEXT:     </dict>
601// CHECK-NEXT:     <dict>
602// CHECK-NEXT:      <key>kind</key><string>control</string>
603// CHECK-NEXT:      <key>edges</key>
604// CHECK-NEXT:       <array>
605// CHECK-NEXT:        <dict>
606// CHECK-NEXT:         <key>start</key>
607// CHECK-NEXT:          <array>
608// CHECK-NEXT:           <dict>
609// CHECK-NEXT:            <key>line</key><integer>36</integer>
610// CHECK-NEXT:            <key>col</key><integer>30</integer>
611// CHECK-NEXT:            <key>file</key><integer>0</integer>
612// CHECK-NEXT:           </dict>
613// CHECK-NEXT:           <dict>
614// CHECK-NEXT:            <key>line</key><integer>36</integer>
615// CHECK-NEXT:            <key>col</key><integer>30</integer>
616// CHECK-NEXT:            <key>file</key><integer>0</integer>
617// CHECK-NEXT:           </dict>
618// CHECK-NEXT:          </array>
619// CHECK-NEXT:         <key>end</key>
620// CHECK-NEXT:          <array>
621// CHECK-NEXT:           <dict>
622// CHECK-NEXT:            <key>line</key><integer>38</integer>
623// CHECK-NEXT:            <key>col</key><integer>5</integer>
624// CHECK-NEXT:            <key>file</key><integer>0</integer>
625// CHECK-NEXT:           </dict>
626// CHECK-NEXT:           <dict>
627// CHECK-NEXT:            <key>line</key><integer>38</integer>
628// CHECK-NEXT:            <key>col</key><integer>5</integer>
629// CHECK-NEXT:            <key>file</key><integer>0</integer>
630// CHECK-NEXT:           </dict>
631// CHECK-NEXT:          </array>
632// CHECK-NEXT:        </dict>
633// CHECK-NEXT:       </array>
634// CHECK-NEXT:     </dict>
635// CHECK-NEXT:     <dict>
636// CHECK-NEXT:      <key>kind</key><string>event</string>
637// CHECK-NEXT:      <key>location</key>
638// CHECK-NEXT:      <dict>
639// CHECK-NEXT:       <key>line</key><integer>38</integer>
640// CHECK-NEXT:       <key>col</key><integer>5</integer>
641// CHECK-NEXT:       <key>file</key><integer>0</integer>
642// CHECK-NEXT:      </dict>
643// CHECK-NEXT:      <key>ranges</key>
644// CHECK-NEXT:      <array>
645// CHECK-NEXT:        <array>
646// CHECK-NEXT:         <dict>
647// CHECK-NEXT:          <key>line</key><integer>38</integer>
648// CHECK-NEXT:          <key>col</key><integer>5</integer>
649// CHECK-NEXT:          <key>file</key><integer>0</integer>
650// CHECK-NEXT:         </dict>
651// CHECK-NEXT:         <dict>
652// CHECK-NEXT:          <key>line</key><integer>38</integer>
653// CHECK-NEXT:          <key>col</key><integer>9</integer>
654// CHECK-NEXT:          <key>file</key><integer>0</integer>
655// CHECK-NEXT:         </dict>
656// CHECK-NEXT:        </array>
657// CHECK-NEXT:      </array>
658// CHECK-NEXT:      <key>depth</key><integer>2</integer>
659// CHECK-NEXT:      <key>extended_message</key>
660// CHECK-NEXT:      <string>The value 0 is assigned to &apos;x&apos;</string>
661// CHECK-NEXT:      <key>message</key>
662// CHECK-NEXT:      <string>The value 0 is assigned to &apos;x&apos;</string>
663// CHECK-NEXT:     </dict>
664// CHECK-NEXT:     <dict>
665// CHECK-NEXT:      <key>kind</key><string>event</string>
666// CHECK-NEXT:      <key>location</key>
667// CHECK-NEXT:      <dict>
668// CHECK-NEXT:       <key>line</key><integer>7</integer>
669// CHECK-NEXT:       <key>col</key><integer>1</integer>
670// CHECK-NEXT:       <key>file</key><integer>0</integer>
671// CHECK-NEXT:      </dict>
672// CHECK-NEXT:      <key>depth</key><integer>2</integer>
673// CHECK-NEXT:      <key>extended_message</key>
674// CHECK-NEXT:      <string>Returning to caller</string>
675// CHECK-NEXT:      <key>message</key>
676// CHECK-NEXT:      <string>Returning to caller</string>
677// CHECK-NEXT:     </dict>
678// CHECK-NEXT:     <dict>
679// CHECK-NEXT:      <key>kind</key><string>event</string>
680// CHECK-NEXT:      <key>location</key>
681// CHECK-NEXT:      <dict>
682// CHECK-NEXT:       <key>line</key><integer>36</integer>
683// CHECK-NEXT:       <key>col</key><integer>3</integer>
684// CHECK-NEXT:       <key>file</key><integer>0</integer>
685// CHECK-NEXT:      </dict>
686// CHECK-NEXT:      <key>ranges</key>
687// CHECK-NEXT:      <array>
688// CHECK-NEXT:        <array>
689// CHECK-NEXT:         <dict>
690// CHECK-NEXT:          <key>line</key><integer>36</integer>
691// CHECK-NEXT:          <key>col</key><integer>3</integer>
692// CHECK-NEXT:          <key>file</key><integer>0</integer>
693// CHECK-NEXT:         </dict>
694// CHECK-NEXT:         <dict>
695// CHECK-NEXT:          <key>line</key><integer>41</integer>
696// CHECK-NEXT:          <key>col</key><integer>4</integer>
697// CHECK-NEXT:          <key>file</key><integer>0</integer>
698// CHECK-NEXT:         </dict>
699// CHECK-NEXT:        </array>
700// CHECK-NEXT:      </array>
701// CHECK-NEXT:      <key>depth</key><integer>1</integer>
702// CHECK-NEXT:      <key>extended_message</key>
703// CHECK-NEXT:      <string>Returning from &apos;dispatch_sync&apos;</string>
704// CHECK-NEXT:      <key>message</key>
705// CHECK-NEXT:      <string>Returning from &apos;dispatch_sync&apos;</string>
706// CHECK-NEXT:     </dict>
707// CHECK-NEXT:     <dict>
708// CHECK-NEXT:      <key>kind</key><string>control</string>
709// CHECK-NEXT:      <key>edges</key>
710// CHECK-NEXT:       <array>
711// CHECK-NEXT:        <dict>
712// CHECK-NEXT:         <key>start</key>
713// CHECK-NEXT:          <array>
714// CHECK-NEXT:           <dict>
715// CHECK-NEXT:            <key>line</key><integer>36</integer>
716// CHECK-NEXT:            <key>col</key><integer>3</integer>
717// CHECK-NEXT:            <key>file</key><integer>0</integer>
718// CHECK-NEXT:           </dict>
719// CHECK-NEXT:           <dict>
720// CHECK-NEXT:            <key>line</key><integer>36</integer>
721// CHECK-NEXT:            <key>col</key><integer>15</integer>
722// CHECK-NEXT:            <key>file</key><integer>0</integer>
723// CHECK-NEXT:           </dict>
724// CHECK-NEXT:          </array>
725// CHECK-NEXT:         <key>end</key>
726// CHECK-NEXT:          <array>
727// CHECK-NEXT:           <dict>
728// CHECK-NEXT:            <key>line</key><integer>43</integer>
729// CHECK-NEXT:            <key>col</key><integer>3</integer>
730// CHECK-NEXT:            <key>file</key><integer>0</integer>
731// CHECK-NEXT:           </dict>
732// CHECK-NEXT:           <dict>
733// CHECK-NEXT:            <key>line</key><integer>43</integer>
734// CHECK-NEXT:            <key>col</key><integer>8</integer>
735// CHECK-NEXT:            <key>file</key><integer>0</integer>
736// CHECK-NEXT:           </dict>
737// CHECK-NEXT:          </array>
738// CHECK-NEXT:        </dict>
739// CHECK-NEXT:       </array>
740// CHECK-NEXT:     </dict>
741// CHECK-NEXT:     <dict>
742// CHECK-NEXT:      <key>kind</key><string>control</string>
743// CHECK-NEXT:      <key>edges</key>
744// CHECK-NEXT:       <array>
745// CHECK-NEXT:        <dict>
746// CHECK-NEXT:         <key>start</key>
747// CHECK-NEXT:          <array>
748// CHECK-NEXT:           <dict>
749// CHECK-NEXT:            <key>line</key><integer>43</integer>
750// CHECK-NEXT:            <key>col</key><integer>3</integer>
751// CHECK-NEXT:            <key>file</key><integer>0</integer>
752// CHECK-NEXT:           </dict>
753// CHECK-NEXT:           <dict>
754// CHECK-NEXT:            <key>line</key><integer>43</integer>
755// CHECK-NEXT:            <key>col</key><integer>8</integer>
756// CHECK-NEXT:            <key>file</key><integer>0</integer>
757// CHECK-NEXT:           </dict>
758// CHECK-NEXT:          </array>
759// CHECK-NEXT:         <key>end</key>
760// CHECK-NEXT:          <array>
761// CHECK-NEXT:           <dict>
762// CHECK-NEXT:            <key>line</key><integer>43</integer>
763// CHECK-NEXT:            <key>col</key><integer>10</integer>
764// CHECK-NEXT:            <key>file</key><integer>0</integer>
765// CHECK-NEXT:           </dict>
766// CHECK-NEXT:           <dict>
767// CHECK-NEXT:            <key>line</key><integer>43</integer>
768// CHECK-NEXT:            <key>col</key><integer>10</integer>
769// CHECK-NEXT:            <key>file</key><integer>0</integer>
770// CHECK-NEXT:           </dict>
771// CHECK-NEXT:          </array>
772// CHECK-NEXT:        </dict>
773// CHECK-NEXT:       </array>
774// CHECK-NEXT:     </dict>
775// CHECK-NEXT:     <dict>
776// CHECK-NEXT:      <key>kind</key><string>event</string>
777// CHECK-NEXT:      <key>location</key>
778// CHECK-NEXT:      <dict>
779// CHECK-NEXT:       <key>line</key><integer>43</integer>
780// CHECK-NEXT:       <key>col</key><integer>10</integer>
781// CHECK-NEXT:       <key>file</key><integer>0</integer>
782// CHECK-NEXT:      </dict>
783// CHECK-NEXT:      <key>ranges</key>
784// CHECK-NEXT:      <array>
785// CHECK-NEXT:        <array>
786// CHECK-NEXT:         <dict>
787// CHECK-NEXT:          <key>line</key><integer>43</integer>
788// CHECK-NEXT:          <key>col</key><integer>10</integer>
789// CHECK-NEXT:          <key>file</key><integer>0</integer>
790// CHECK-NEXT:         </dict>
791// CHECK-NEXT:         <dict>
792// CHECK-NEXT:          <key>line</key><integer>43</integer>
793// CHECK-NEXT:          <key>col</key><integer>14</integer>
794// CHECK-NEXT:          <key>file</key><integer>0</integer>
795// CHECK-NEXT:         </dict>
796// CHECK-NEXT:        </array>
797// CHECK-NEXT:      </array>
798// CHECK-NEXT:      <key>depth</key><integer>0</integer>
799// CHECK-NEXT:      <key>extended_message</key>
800// CHECK-NEXT:      <string>Division by zero</string>
801// CHECK-NEXT:      <key>message</key>
802// CHECK-NEXT:      <string>Division by zero</string>
803// CHECK-NEXT:     </dict>
804// CHECK-NEXT:    </array>
805// CHECK-NEXT:    <key>description</key><string>Division by zero</string>
806// CHECK-NEXT:    <key>category</key><string>Logic error</string>
807// CHECK-NEXT:    <key>type</key><string>Division by zero</string>
808// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
809// CHECK-NEXT:   <key>issue_context</key><string>testDispatchSyncInlining</string>
810// CHECK-NEXT:   <key>issue_hash</key><integer>14</integer>
811// CHECK-NEXT:   <key>location</key>
812// CHECK-NEXT:   <dict>
813// CHECK-NEXT:    <key>line</key><integer>43</integer>
814// CHECK-NEXT:    <key>col</key><integer>10</integer>
815// CHECK-NEXT:    <key>file</key><integer>0</integer>
816// CHECK-NEXT:   </dict>
817// CHECK-NEXT:   </dict>
818// CHECK-NEXT:  </array>
819