path-notes.m revision 7be2245487f9cd7d04f013db92280d9ccd323586 
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
47int testDispatchSyncInliningNoPruning(int coin) {
48  // This tests exactly the same case as above, except on a bug report where
49  // path pruning is disabled (an uninitialized variable capture).
50  // In this case 
51  extern dispatch_queue_t globalQueue;
52
53  __block int y;
54
55  // expected-note@+1 {{Calling 'dispatch_sync'}}
56  dispatch_sync(globalQueue, ^{
57    // expected-note@7 {{Calling anonymous block}}
58    int x;
59    // expected-note@-1 {{'x' declared without an initial value}}
60    ^{ y = x; }(); // expected-warning{{Variable 'x' is uninitialized when captured by block}}
61    // expected-note@-1 {{'x' is uninitialized when captured by block}}
62  });
63
64  return y;
65}
66
67
68// CHECK:  <key>diagnostics</key>
69// CHECK-NEXT:  <array>
70// CHECK-NEXT:   <dict>
71// CHECK-NEXT:    <key>path</key>
72// CHECK-NEXT:    <array>
73// CHECK-NEXT:     <dict>
74// CHECK-NEXT:      <key>kind</key><string>control</string>
75// CHECK-NEXT:      <key>edges</key>
76// CHECK-NEXT:       <array>
77// CHECK-NEXT:        <dict>
78// CHECK-NEXT:         <key>start</key>
79// CHECK-NEXT:          <array>
80// CHECK-NEXT:           <dict>
81// CHECK-NEXT:            <key>line</key><integer>21</integer>
82// CHECK-NEXT:            <key>col</key><integer>3</integer>
83// CHECK-NEXT:            <key>file</key><integer>0</integer>
84// CHECK-NEXT:           </dict>
85// CHECK-NEXT:           <dict>
86// CHECK-NEXT:            <key>line</key><integer>21</integer>
87// CHECK-NEXT:            <key>col</key><integer>3</integer>
88// CHECK-NEXT:            <key>file</key><integer>0</integer>
89// CHECK-NEXT:           </dict>
90// CHECK-NEXT:          </array>
91// CHECK-NEXT:         <key>end</key>
92// CHECK-NEXT:          <array>
93// CHECK-NEXT:           <dict>
94// CHECK-NEXT:            <key>line</key><integer>21</integer>
95// CHECK-NEXT:            <key>col</key><integer>17</integer>
96// CHECK-NEXT:            <key>file</key><integer>0</integer>
97// CHECK-NEXT:           </dict>
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:          </array>
104// CHECK-NEXT:        </dict>
105// CHECK-NEXT:       </array>
106// CHECK-NEXT:     </dict>
107// CHECK-NEXT:     <dict>
108// CHECK-NEXT:      <key>kind</key><string>event</string>
109// CHECK-NEXT:      <key>location</key>
110// CHECK-NEXT:      <dict>
111// CHECK-NEXT:       <key>line</key><integer>21</integer>
112// CHECK-NEXT:       <key>col</key><integer>17</integer>
113// CHECK-NEXT:       <key>file</key><integer>0</integer>
114// CHECK-NEXT:      </dict>
115// CHECK-NEXT:      <key>ranges</key>
116// CHECK-NEXT:      <array>
117// CHECK-NEXT:        <array>
118// CHECK-NEXT:         <dict>
119// CHECK-NEXT:          <key>line</key><integer>21</integer>
120// CHECK-NEXT:          <key>col</key><integer>17</integer>
121// CHECK-NEXT:          <key>file</key><integer>0</integer>
122// CHECK-NEXT:         </dict>
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:        </array>
129// CHECK-NEXT:      </array>
130// CHECK-NEXT:      <key>depth</key><integer>0</integer>
131// CHECK-NEXT:      <key>extended_message</key>
132// CHECK-NEXT:      <string>Passing nil object reference via 1st parameter &apos;x&apos;</string>
133// CHECK-NEXT:      <key>message</key>
134// CHECK-NEXT:      <string>Passing nil object reference via 1st parameter &apos;x&apos;</string>
135// CHECK-NEXT:     </dict>
136// CHECK-NEXT:     <dict>
137// CHECK-NEXT:      <key>kind</key><string>control</string>
138// CHECK-NEXT:      <key>edges</key>
139// CHECK-NEXT:       <array>
140// CHECK-NEXT:        <dict>
141// CHECK-NEXT:         <key>start</key>
142// CHECK-NEXT:          <array>
143// CHECK-NEXT:           <dict>
144// CHECK-NEXT:            <key>line</key><integer>21</integer>
145// CHECK-NEXT:            <key>col</key><integer>17</integer>
146// CHECK-NEXT:            <key>file</key><integer>0</integer>
147// CHECK-NEXT:           </dict>
148// CHECK-NEXT:           <dict>
149// CHECK-NEXT:            <key>line</key><integer>21</integer>
150// CHECK-NEXT:            <key>col</key><integer>17</integer>
151// CHECK-NEXT:            <key>file</key><integer>0</integer>
152// CHECK-NEXT:           </dict>
153// CHECK-NEXT:          </array>
154// CHECK-NEXT:         <key>end</key>
155// CHECK-NEXT:          <array>
156// CHECK-NEXT:           <dict>
157// CHECK-NEXT:            <key>line</key><integer>21</integer>
158// CHECK-NEXT:            <key>col</key><integer>4</integer>
159// CHECK-NEXT:            <key>file</key><integer>0</integer>
160// CHECK-NEXT:           </dict>
161// CHECK-NEXT:           <dict>
162// CHECK-NEXT:            <key>line</key><integer>21</integer>
163// CHECK-NEXT:            <key>col</key><integer>15</integer>
164// CHECK-NEXT:            <key>file</key><integer>0</integer>
165// CHECK-NEXT:           </dict>
166// CHECK-NEXT:          </array>
167// CHECK-NEXT:        </dict>
168// CHECK-NEXT:       </array>
169// CHECK-NEXT:     </dict>
170// CHECK-NEXT:     <dict>
171// CHECK-NEXT:      <key>kind</key><string>event</string>
172// CHECK-NEXT:      <key>location</key>
173// CHECK-NEXT:      <dict>
174// CHECK-NEXT:       <key>line</key><integer>21</integer>
175// CHECK-NEXT:       <key>col</key><integer>4</integer>
176// CHECK-NEXT:       <key>file</key><integer>0</integer>
177// CHECK-NEXT:      </dict>
178// CHECK-NEXT:      <key>ranges</key>
179// CHECK-NEXT:      <array>
180// CHECK-NEXT:        <array>
181// CHECK-NEXT:         <dict>
182// CHECK-NEXT:          <key>line</key><integer>21</integer>
183// CHECK-NEXT:          <key>col</key><integer>4</integer>
184// CHECK-NEXT:          <key>file</key><integer>0</integer>
185// CHECK-NEXT:         </dict>
186// CHECK-NEXT:         <dict>
187// CHECK-NEXT:          <key>line</key><integer>21</integer>
188// CHECK-NEXT:          <key>col</key><integer>18</integer>
189// CHECK-NEXT:          <key>file</key><integer>0</integer>
190// CHECK-NEXT:         </dict>
191// CHECK-NEXT:        </array>
192// CHECK-NEXT:      </array>
193// CHECK-NEXT:      <key>depth</key><integer>0</integer>
194// CHECK-NEXT:      <key>extended_message</key>
195// CHECK-NEXT:      <string>Calling &apos;getZeroIfNil&apos;</string>
196// CHECK-NEXT:      <key>message</key>
197// CHECK-NEXT:      <string>Calling &apos;getZeroIfNil&apos;</string>
198// CHECK-NEXT:     </dict>
199// CHECK-NEXT:     <dict>
200// CHECK-NEXT:      <key>kind</key><string>event</string>
201// CHECK-NEXT:      <key>location</key>
202// CHECK-NEXT:      <dict>
203// CHECK-NEXT:       <key>line</key><integer>14</integer>
204// CHECK-NEXT:       <key>col</key><integer>1</integer>
205// CHECK-NEXT:       <key>file</key><integer>0</integer>
206// CHECK-NEXT:      </dict>
207// CHECK-NEXT:      <key>depth</key><integer>1</integer>
208// CHECK-NEXT:      <key>extended_message</key>
209// CHECK-NEXT:      <string>Entered call from &apos;testReturnZeroIfNil&apos;</string>
210// CHECK-NEXT:      <key>message</key>
211// CHECK-NEXT:      <string>Entered call from &apos;testReturnZeroIfNil&apos;</string>
212// CHECK-NEXT:     </dict>
213// CHECK-NEXT:     <dict>
214// CHECK-NEXT:      <key>kind</key><string>control</string>
215// CHECK-NEXT:      <key>edges</key>
216// CHECK-NEXT:       <array>
217// CHECK-NEXT:        <dict>
218// CHECK-NEXT:         <key>start</key>
219// CHECK-NEXT:          <array>
220// CHECK-NEXT:           <dict>
221// CHECK-NEXT:            <key>line</key><integer>14</integer>
222// CHECK-NEXT:            <key>col</key><integer>1</integer>
223// CHECK-NEXT:            <key>file</key><integer>0</integer>
224// CHECK-NEXT:           </dict>
225// CHECK-NEXT:           <dict>
226// CHECK-NEXT:            <key>line</key><integer>14</integer>
227// CHECK-NEXT:            <key>col</key><integer>3</integer>
228// CHECK-NEXT:            <key>file</key><integer>0</integer>
229// CHECK-NEXT:           </dict>
230// CHECK-NEXT:          </array>
231// CHECK-NEXT:         <key>end</key>
232// CHECK-NEXT:          <array>
233// CHECK-NEXT:           <dict>
234// CHECK-NEXT:            <key>line</key><integer>15</integer>
235// CHECK-NEXT:            <key>col</key><integer>3</integer>
236// CHECK-NEXT:            <key>file</key><integer>0</integer>
237// CHECK-NEXT:           </dict>
238// CHECK-NEXT:           <dict>
239// CHECK-NEXT:            <key>line</key><integer>15</integer>
240// CHECK-NEXT:            <key>col</key><integer>8</integer>
241// CHECK-NEXT:            <key>file</key><integer>0</integer>
242// CHECK-NEXT:           </dict>
243// CHECK-NEXT:          </array>
244// CHECK-NEXT:        </dict>
245// CHECK-NEXT:       </array>
246// CHECK-NEXT:     </dict>
247// CHECK-NEXT:     <dict>
248// CHECK-NEXT:      <key>kind</key><string>control</string>
249// CHECK-NEXT:      <key>edges</key>
250// CHECK-NEXT:       <array>
251// CHECK-NEXT:        <dict>
252// CHECK-NEXT:         <key>start</key>
253// CHECK-NEXT:          <array>
254// CHECK-NEXT:           <dict>
255// CHECK-NEXT:            <key>line</key><integer>15</integer>
256// CHECK-NEXT:            <key>col</key><integer>3</integer>
257// CHECK-NEXT:            <key>file</key><integer>0</integer>
258// CHECK-NEXT:           </dict>
259// CHECK-NEXT:           <dict>
260// CHECK-NEXT:            <key>line</key><integer>15</integer>
261// CHECK-NEXT:            <key>col</key><integer>8</integer>
262// CHECK-NEXT:            <key>file</key><integer>0</integer>
263// CHECK-NEXT:           </dict>
264// CHECK-NEXT:          </array>
265// CHECK-NEXT:         <key>end</key>
266// CHECK-NEXT:          <array>
267// CHECK-NEXT:           <dict>
268// CHECK-NEXT:            <key>line</key><integer>15</integer>
269// CHECK-NEXT:            <key>col</key><integer>10</integer>
270// CHECK-NEXT:            <key>file</key><integer>0</integer>
271// CHECK-NEXT:           </dict>
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:          </array>
278// CHECK-NEXT:        </dict>
279// CHECK-NEXT:       </array>
280// CHECK-NEXT:     </dict>
281// CHECK-NEXT:     <dict>
282// CHECK-NEXT:      <key>kind</key><string>event</string>
283// CHECK-NEXT:      <key>location</key>
284// CHECK-NEXT:      <dict>
285// CHECK-NEXT:       <key>line</key><integer>15</integer>
286// CHECK-NEXT:       <key>col</key><integer>10</integer>
287// CHECK-NEXT:       <key>file</key><integer>0</integer>
288// CHECK-NEXT:      </dict>
289// CHECK-NEXT:      <key>ranges</key>
290// CHECK-NEXT:      <array>
291// CHECK-NEXT:        <array>
292// CHECK-NEXT:         <dict>
293// CHECK-NEXT:          <key>line</key><integer>15</integer>
294// CHECK-NEXT:          <key>col</key><integer>10</integer>
295// CHECK-NEXT:          <key>file</key><integer>0</integer>
296// CHECK-NEXT:         </dict>
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:        </array>
303// CHECK-NEXT:      </array>
304// CHECK-NEXT:      <key>depth</key><integer>1</integer>
305// CHECK-NEXT:      <key>extended_message</key>
306// CHECK-NEXT:      <string>No method is called because the receiver is nil</string>
307// CHECK-NEXT:      <key>message</key>
308// CHECK-NEXT:      <string>No method is called because the receiver is nil</string>
309// CHECK-NEXT:     </dict>
310// CHECK-NEXT:     <dict>
311// CHECK-NEXT:      <key>kind</key><string>control</string>
312// CHECK-NEXT:      <key>edges</key>
313// CHECK-NEXT:       <array>
314// CHECK-NEXT:        <dict>
315// CHECK-NEXT:         <key>start</key>
316// CHECK-NEXT:          <array>
317// CHECK-NEXT:           <dict>
318// CHECK-NEXT:            <key>line</key><integer>15</integer>
319// CHECK-NEXT:            <key>col</key><integer>10</integer>
320// CHECK-NEXT:            <key>file</key><integer>0</integer>
321// CHECK-NEXT:           </dict>
322// CHECK-NEXT:           <dict>
323// CHECK-NEXT:            <key>line</key><integer>15</integer>
324// CHECK-NEXT:            <key>col</key><integer>10</integer>
325// CHECK-NEXT:            <key>file</key><integer>0</integer>
326// CHECK-NEXT:           </dict>
327// CHECK-NEXT:          </array>
328// CHECK-NEXT:         <key>end</key>
329// CHECK-NEXT:          <array>
330// CHECK-NEXT:           <dict>
331// CHECK-NEXT:            <key>line</key><integer>15</integer>
332// CHECK-NEXT:            <key>col</key><integer>3</integer>
333// CHECK-NEXT:            <key>file</key><integer>0</integer>
334// CHECK-NEXT:           </dict>
335// CHECK-NEXT:           <dict>
336// CHECK-NEXT:            <key>line</key><integer>15</integer>
337// CHECK-NEXT:            <key>col</key><integer>8</integer>
338// CHECK-NEXT:            <key>file</key><integer>0</integer>
339// CHECK-NEXT:           </dict>
340// CHECK-NEXT:          </array>
341// CHECK-NEXT:        </dict>
342// CHECK-NEXT:       </array>
343// CHECK-NEXT:     </dict>
344// CHECK-NEXT:     <dict>
345// CHECK-NEXT:      <key>kind</key><string>event</string>
346// CHECK-NEXT:      <key>location</key>
347// CHECK-NEXT:      <dict>
348// CHECK-NEXT:       <key>line</key><integer>15</integer>
349// CHECK-NEXT:       <key>col</key><integer>3</integer>
350// CHECK-NEXT:       <key>file</key><integer>0</integer>
351// CHECK-NEXT:      </dict>
352// CHECK-NEXT:      <key>ranges</key>
353// CHECK-NEXT:      <array>
354// CHECK-NEXT:        <array>
355// CHECK-NEXT:         <dict>
356// CHECK-NEXT:          <key>line</key><integer>15</integer>
357// CHECK-NEXT:          <key>col</key><integer>3</integer>
358// CHECK-NEXT:          <key>file</key><integer>0</integer>
359// CHECK-NEXT:         </dict>
360// CHECK-NEXT:         <dict>
361// CHECK-NEXT:          <key>line</key><integer>15</integer>
362// CHECK-NEXT:          <key>col</key><integer>12</integer>
363// CHECK-NEXT:          <key>file</key><integer>0</integer>
364// CHECK-NEXT:         </dict>
365// CHECK-NEXT:        </array>
366// CHECK-NEXT:      </array>
367// CHECK-NEXT:      <key>depth</key><integer>1</integer>
368// CHECK-NEXT:      <key>extended_message</key>
369// CHECK-NEXT:      <string>Returning null pointer</string>
370// CHECK-NEXT:      <key>message</key>
371// CHECK-NEXT:      <string>Returning null pointer</string>
372// CHECK-NEXT:     </dict>
373// CHECK-NEXT:     <dict>
374// CHECK-NEXT:      <key>kind</key><string>event</string>
375// CHECK-NEXT:      <key>location</key>
376// CHECK-NEXT:      <dict>
377// CHECK-NEXT:       <key>line</key><integer>21</integer>
378// CHECK-NEXT:       <key>col</key><integer>4</integer>
379// CHECK-NEXT:       <key>file</key><integer>0</integer>
380// CHECK-NEXT:      </dict>
381// CHECK-NEXT:      <key>ranges</key>
382// CHECK-NEXT:      <array>
383// CHECK-NEXT:        <array>
384// CHECK-NEXT:         <dict>
385// CHECK-NEXT:          <key>line</key><integer>21</integer>
386// CHECK-NEXT:          <key>col</key><integer>4</integer>
387// CHECK-NEXT:          <key>file</key><integer>0</integer>
388// CHECK-NEXT:         </dict>
389// CHECK-NEXT:         <dict>
390// CHECK-NEXT:          <key>line</key><integer>21</integer>
391// CHECK-NEXT:          <key>col</key><integer>18</integer>
392// CHECK-NEXT:          <key>file</key><integer>0</integer>
393// CHECK-NEXT:         </dict>
394// CHECK-NEXT:        </array>
395// CHECK-NEXT:      </array>
396// CHECK-NEXT:      <key>depth</key><integer>0</integer>
397// CHECK-NEXT:      <key>extended_message</key>
398// CHECK-NEXT:      <string>Returning from &apos;getZeroIfNil&apos;</string>
399// CHECK-NEXT:      <key>message</key>
400// CHECK-NEXT:      <string>Returning from &apos;getZeroIfNil&apos;</string>
401// CHECK-NEXT:     </dict>
402// CHECK-NEXT:     <dict>
403// CHECK-NEXT:      <key>kind</key><string>control</string>
404// CHECK-NEXT:      <key>edges</key>
405// CHECK-NEXT:       <array>
406// CHECK-NEXT:        <dict>
407// CHECK-NEXT:         <key>start</key>
408// CHECK-NEXT:          <array>
409// CHECK-NEXT:           <dict>
410// CHECK-NEXT:            <key>line</key><integer>21</integer>
411// CHECK-NEXT:            <key>col</key><integer>4</integer>
412// CHECK-NEXT:            <key>file</key><integer>0</integer>
413// CHECK-NEXT:           </dict>
414// CHECK-NEXT:           <dict>
415// CHECK-NEXT:            <key>line</key><integer>21</integer>
416// CHECK-NEXT:            <key>col</key><integer>15</integer>
417// CHECK-NEXT:            <key>file</key><integer>0</integer>
418// CHECK-NEXT:           </dict>
419// CHECK-NEXT:          </array>
420// CHECK-NEXT:         <key>end</key>
421// CHECK-NEXT:          <array>
422// CHECK-NEXT:           <dict>
423// CHECK-NEXT:            <key>line</key><integer>21</integer>
424// CHECK-NEXT:            <key>col</key><integer>3</integer>
425// CHECK-NEXT:            <key>file</key><integer>0</integer>
426// CHECK-NEXT:           </dict>
427// CHECK-NEXT:           <dict>
428// CHECK-NEXT:            <key>line</key><integer>21</integer>
429// CHECK-NEXT:            <key>col</key><integer>3</integer>
430// CHECK-NEXT:            <key>file</key><integer>0</integer>
431// CHECK-NEXT:           </dict>
432// CHECK-NEXT:          </array>
433// CHECK-NEXT:        </dict>
434// CHECK-NEXT:       </array>
435// CHECK-NEXT:     </dict>
436// CHECK-NEXT:     <dict>
437// CHECK-NEXT:      <key>kind</key><string>event</string>
438// CHECK-NEXT:      <key>location</key>
439// CHECK-NEXT:      <dict>
440// CHECK-NEXT:       <key>line</key><integer>21</integer>
441// CHECK-NEXT:       <key>col</key><integer>3</integer>
442// CHECK-NEXT:       <key>file</key><integer>0</integer>
443// CHECK-NEXT:      </dict>
444// CHECK-NEXT:      <key>ranges</key>
445// CHECK-NEXT:      <array>
446// CHECK-NEXT:        <array>
447// CHECK-NEXT:         <dict>
448// CHECK-NEXT:          <key>line</key><integer>21</integer>
449// CHECK-NEXT:          <key>col</key><integer>3</integer>
450// CHECK-NEXT:          <key>file</key><integer>0</integer>
451// CHECK-NEXT:         </dict>
452// CHECK-NEXT:         <dict>
453// CHECK-NEXT:          <key>line</key><integer>21</integer>
454// CHECK-NEXT:          <key>col</key><integer>22</integer>
455// CHECK-NEXT:          <key>file</key><integer>0</integer>
456// CHECK-NEXT:         </dict>
457// CHECK-NEXT:        </array>
458// CHECK-NEXT:      </array>
459// CHECK-NEXT:      <key>depth</key><integer>0</integer>
460// CHECK-NEXT:      <key>extended_message</key>
461// CHECK-NEXT:      <string>Dereference of null pointer</string>
462// CHECK-NEXT:      <key>message</key>
463// CHECK-NEXT:      <string>Dereference of null pointer</string>
464// CHECK-NEXT:     </dict>
465// CHECK-NEXT:    </array>
466// CHECK-NEXT:    <key>description</key><string>Dereference of null pointer</string>
467// CHECK-NEXT:    <key>category</key><string>Logic error</string>
468// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
469// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
470// CHECK-NEXT:   <key>issue_context</key><string>testReturnZeroIfNil</string>
471// CHECK-NEXT:   <key>issue_hash</key><string>1</string>
472// CHECK-NEXT:   <key>location</key>
473// CHECK-NEXT:   <dict>
474// CHECK-NEXT:    <key>line</key><integer>21</integer>
475// CHECK-NEXT:    <key>col</key><integer>3</integer>
476// CHECK-NEXT:    <key>file</key><integer>0</integer>
477// CHECK-NEXT:   </dict>
478// CHECK-NEXT:   </dict>
479// CHECK-NEXT:   <dict>
480// CHECK-NEXT:    <key>path</key>
481// CHECK-NEXT:    <array>
482// CHECK-NEXT:     <dict>
483// CHECK-NEXT:      <key>kind</key><string>control</string>
484// CHECK-NEXT:      <key>edges</key>
485// CHECK-NEXT:       <array>
486// CHECK-NEXT:        <dict>
487// CHECK-NEXT:         <key>start</key>
488// CHECK-NEXT:          <array>
489// CHECK-NEXT:           <dict>
490// CHECK-NEXT:            <key>line</key><integer>30</integer>
491// CHECK-NEXT:            <key>col</key><integer>3</integer>
492// CHECK-NEXT:            <key>file</key><integer>0</integer>
493// CHECK-NEXT:           </dict>
494// CHECK-NEXT:           <dict>
495// CHECK-NEXT:            <key>line</key><integer>30</integer>
496// CHECK-NEXT:            <key>col</key><integer>8</integer>
497// CHECK-NEXT:            <key>file</key><integer>0</integer>
498// CHECK-NEXT:           </dict>
499// CHECK-NEXT:          </array>
500// CHECK-NEXT:         <key>end</key>
501// CHECK-NEXT:          <array>
502// CHECK-NEXT:           <dict>
503// CHECK-NEXT:            <key>line</key><integer>36</integer>
504// CHECK-NEXT:            <key>col</key><integer>3</integer>
505// CHECK-NEXT:            <key>file</key><integer>0</integer>
506// CHECK-NEXT:           </dict>
507// CHECK-NEXT:           <dict>
508// CHECK-NEXT:            <key>line</key><integer>36</integer>
509// CHECK-NEXT:            <key>col</key><integer>15</integer>
510// CHECK-NEXT:            <key>file</key><integer>0</integer>
511// CHECK-NEXT:           </dict>
512// CHECK-NEXT:          </array>
513// CHECK-NEXT:        </dict>
514// CHECK-NEXT:       </array>
515// CHECK-NEXT:     </dict>
516// CHECK-NEXT:     <dict>
517// CHECK-NEXT:      <key>kind</key><string>event</string>
518// CHECK-NEXT:      <key>location</key>
519// CHECK-NEXT:      <dict>
520// CHECK-NEXT:       <key>line</key><integer>36</integer>
521// CHECK-NEXT:       <key>col</key><integer>3</integer>
522// CHECK-NEXT:       <key>file</key><integer>0</integer>
523// CHECK-NEXT:      </dict>
524// CHECK-NEXT:      <key>ranges</key>
525// CHECK-NEXT:      <array>
526// CHECK-NEXT:        <array>
527// CHECK-NEXT:         <dict>
528// CHECK-NEXT:          <key>line</key><integer>36</integer>
529// CHECK-NEXT:          <key>col</key><integer>3</integer>
530// CHECK-NEXT:          <key>file</key><integer>0</integer>
531// CHECK-NEXT:         </dict>
532// CHECK-NEXT:         <dict>
533// CHECK-NEXT:          <key>line</key><integer>41</integer>
534// CHECK-NEXT:          <key>col</key><integer>4</integer>
535// CHECK-NEXT:          <key>file</key><integer>0</integer>
536// CHECK-NEXT:         </dict>
537// CHECK-NEXT:        </array>
538// CHECK-NEXT:      </array>
539// CHECK-NEXT:      <key>depth</key><integer>0</integer>
540// CHECK-NEXT:      <key>extended_message</key>
541// CHECK-NEXT:      <string>Calling &apos;dispatch_sync&apos;</string>
542// CHECK-NEXT:      <key>message</key>
543// CHECK-NEXT:      <string>Calling &apos;dispatch_sync&apos;</string>
544// CHECK-NEXT:     </dict>
545// CHECK-NEXT:     <dict>
546// CHECK-NEXT:      <key>kind</key><string>event</string>
547// CHECK-NEXT:      <key>location</key>
548// CHECK-NEXT:      <dict>
549// CHECK-NEXT:       <key>line</key><integer>7</integer>
550// CHECK-NEXT:       <key>col</key><integer>1</integer>
551// CHECK-NEXT:       <key>file</key><integer>0</integer>
552// CHECK-NEXT:      </dict>
553// CHECK-NEXT:      <key>depth</key><integer>1</integer>
554// CHECK-NEXT:      <key>extended_message</key>
555// CHECK-NEXT:      <string>Entered call from &apos;testDispatchSyncInlining&apos;</string>
556// CHECK-NEXT:      <key>message</key>
557// CHECK-NEXT:      <string>Entered call from &apos;testDispatchSyncInlining&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>Calling anonymous block</string>
570// CHECK-NEXT:      <key>message</key>
571// CHECK-NEXT:      <string>Calling anonymous block</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>36</integer>
578// CHECK-NEXT:       <key>col</key><integer>30</integer>
579// CHECK-NEXT:       <key>file</key><integer>0</integer>
580// CHECK-NEXT:      </dict>
581// CHECK-NEXT:      <key>depth</key><integer>2</integer>
582// CHECK-NEXT:      <key>extended_message</key>
583// CHECK-NEXT:      <string>Entered call from &apos;dispatch_sync&apos;</string>
584// CHECK-NEXT:      <key>message</key>
585// CHECK-NEXT:      <string>Entered call from &apos;dispatch_sync&apos;</string>
586// CHECK-NEXT:     </dict>
587// CHECK-NEXT:     <dict>
588// CHECK-NEXT:      <key>kind</key><string>control</string>
589// CHECK-NEXT:      <key>edges</key>
590// CHECK-NEXT:       <array>
591// CHECK-NEXT:        <dict>
592// CHECK-NEXT:         <key>start</key>
593// CHECK-NEXT:          <array>
594// CHECK-NEXT:           <dict>
595// CHECK-NEXT:            <key>line</key><integer>36</integer>
596// CHECK-NEXT:            <key>col</key><integer>30</integer>
597// CHECK-NEXT:            <key>file</key><integer>0</integer>
598// CHECK-NEXT:           </dict>
599// CHECK-NEXT:           <dict>
600// CHECK-NEXT:            <key>line</key><integer>36</integer>
601// CHECK-NEXT:            <key>col</key><integer>30</integer>
602// CHECK-NEXT:            <key>file</key><integer>0</integer>
603// CHECK-NEXT:           </dict>
604// CHECK-NEXT:          </array>
605// CHECK-NEXT:         <key>end</key>
606// CHECK-NEXT:          <array>
607// CHECK-NEXT:           <dict>
608// CHECK-NEXT:            <key>line</key><integer>38</integer>
609// CHECK-NEXT:            <key>col</key><integer>5</integer>
610// CHECK-NEXT:            <key>file</key><integer>0</integer>
611// CHECK-NEXT:           </dict>
612// CHECK-NEXT:           <dict>
613// CHECK-NEXT:            <key>line</key><integer>38</integer>
614// CHECK-NEXT:            <key>col</key><integer>5</integer>
615// CHECK-NEXT:            <key>file</key><integer>0</integer>
616// CHECK-NEXT:           </dict>
617// CHECK-NEXT:          </array>
618// CHECK-NEXT:        </dict>
619// CHECK-NEXT:       </array>
620// CHECK-NEXT:     </dict>
621// CHECK-NEXT:     <dict>
622// CHECK-NEXT:      <key>kind</key><string>event</string>
623// CHECK-NEXT:      <key>location</key>
624// CHECK-NEXT:      <dict>
625// CHECK-NEXT:       <key>line</key><integer>38</integer>
626// CHECK-NEXT:       <key>col</key><integer>5</integer>
627// CHECK-NEXT:       <key>file</key><integer>0</integer>
628// CHECK-NEXT:      </dict>
629// CHECK-NEXT:      <key>ranges</key>
630// CHECK-NEXT:      <array>
631// CHECK-NEXT:        <array>
632// CHECK-NEXT:         <dict>
633// CHECK-NEXT:          <key>line</key><integer>38</integer>
634// CHECK-NEXT:          <key>col</key><integer>5</integer>
635// CHECK-NEXT:          <key>file</key><integer>0</integer>
636// CHECK-NEXT:         </dict>
637// CHECK-NEXT:         <dict>
638// CHECK-NEXT:          <key>line</key><integer>38</integer>
639// CHECK-NEXT:          <key>col</key><integer>9</integer>
640// CHECK-NEXT:          <key>file</key><integer>0</integer>
641// CHECK-NEXT:         </dict>
642// CHECK-NEXT:        </array>
643// CHECK-NEXT:      </array>
644// CHECK-NEXT:      <key>depth</key><integer>2</integer>
645// CHECK-NEXT:      <key>extended_message</key>
646// CHECK-NEXT:      <string>The value 0 is assigned to &apos;x&apos;</string>
647// CHECK-NEXT:      <key>message</key>
648// CHECK-NEXT:      <string>The value 0 is assigned to &apos;x&apos;</string>
649// CHECK-NEXT:     </dict>
650// CHECK-NEXT:     <dict>
651// CHECK-NEXT:      <key>kind</key><string>event</string>
652// CHECK-NEXT:      <key>location</key>
653// CHECK-NEXT:      <dict>
654// CHECK-NEXT:       <key>line</key><integer>7</integer>
655// CHECK-NEXT:       <key>col</key><integer>1</integer>
656// CHECK-NEXT:       <key>file</key><integer>0</integer>
657// CHECK-NEXT:      </dict>
658// CHECK-NEXT:      <key>depth</key><integer>1</integer>
659// CHECK-NEXT:      <key>extended_message</key>
660// CHECK-NEXT:      <string>Returning to caller</string>
661// CHECK-NEXT:      <key>message</key>
662// CHECK-NEXT:      <string>Returning to caller</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>36</integer>
669// CHECK-NEXT:       <key>col</key><integer>3</integer>
670// CHECK-NEXT:       <key>file</key><integer>0</integer>
671// CHECK-NEXT:      </dict>
672// CHECK-NEXT:      <key>ranges</key>
673// CHECK-NEXT:      <array>
674// CHECK-NEXT:        <array>
675// CHECK-NEXT:         <dict>
676// CHECK-NEXT:          <key>line</key><integer>36</integer>
677// CHECK-NEXT:          <key>col</key><integer>3</integer>
678// CHECK-NEXT:          <key>file</key><integer>0</integer>
679// CHECK-NEXT:         </dict>
680// CHECK-NEXT:         <dict>
681// CHECK-NEXT:          <key>line</key><integer>41</integer>
682// CHECK-NEXT:          <key>col</key><integer>4</integer>
683// CHECK-NEXT:          <key>file</key><integer>0</integer>
684// CHECK-NEXT:         </dict>
685// CHECK-NEXT:        </array>
686// CHECK-NEXT:      </array>
687// CHECK-NEXT:      <key>depth</key><integer>0</integer>
688// CHECK-NEXT:      <key>extended_message</key>
689// CHECK-NEXT:      <string>Returning from &apos;dispatch_sync&apos;</string>
690// CHECK-NEXT:      <key>message</key>
691// CHECK-NEXT:      <string>Returning from &apos;dispatch_sync&apos;</string>
692// CHECK-NEXT:     </dict>
693// CHECK-NEXT:     <dict>
694// CHECK-NEXT:      <key>kind</key><string>control</string>
695// CHECK-NEXT:      <key>edges</key>
696// CHECK-NEXT:       <array>
697// CHECK-NEXT:        <dict>
698// CHECK-NEXT:         <key>start</key>
699// CHECK-NEXT:          <array>
700// CHECK-NEXT:           <dict>
701// CHECK-NEXT:            <key>line</key><integer>36</integer>
702// CHECK-NEXT:            <key>col</key><integer>3</integer>
703// CHECK-NEXT:            <key>file</key><integer>0</integer>
704// CHECK-NEXT:           </dict>
705// CHECK-NEXT:           <dict>
706// CHECK-NEXT:            <key>line</key><integer>36</integer>
707// CHECK-NEXT:            <key>col</key><integer>15</integer>
708// CHECK-NEXT:            <key>file</key><integer>0</integer>
709// CHECK-NEXT:           </dict>
710// CHECK-NEXT:          </array>
711// CHECK-NEXT:         <key>end</key>
712// CHECK-NEXT:          <array>
713// CHECK-NEXT:           <dict>
714// CHECK-NEXT:            <key>line</key><integer>43</integer>
715// CHECK-NEXT:            <key>col</key><integer>3</integer>
716// CHECK-NEXT:            <key>file</key><integer>0</integer>
717// CHECK-NEXT:           </dict>
718// CHECK-NEXT:           <dict>
719// CHECK-NEXT:            <key>line</key><integer>43</integer>
720// CHECK-NEXT:            <key>col</key><integer>8</integer>
721// CHECK-NEXT:            <key>file</key><integer>0</integer>
722// CHECK-NEXT:           </dict>
723// CHECK-NEXT:          </array>
724// CHECK-NEXT:        </dict>
725// CHECK-NEXT:       </array>
726// CHECK-NEXT:     </dict>
727// CHECK-NEXT:     <dict>
728// CHECK-NEXT:      <key>kind</key><string>control</string>
729// CHECK-NEXT:      <key>edges</key>
730// CHECK-NEXT:       <array>
731// CHECK-NEXT:        <dict>
732// CHECK-NEXT:         <key>start</key>
733// CHECK-NEXT:          <array>
734// CHECK-NEXT:           <dict>
735// CHECK-NEXT:            <key>line</key><integer>43</integer>
736// CHECK-NEXT:            <key>col</key><integer>3</integer>
737// CHECK-NEXT:            <key>file</key><integer>0</integer>
738// CHECK-NEXT:           </dict>
739// CHECK-NEXT:           <dict>
740// CHECK-NEXT:            <key>line</key><integer>43</integer>
741// CHECK-NEXT:            <key>col</key><integer>8</integer>
742// CHECK-NEXT:            <key>file</key><integer>0</integer>
743// CHECK-NEXT:           </dict>
744// CHECK-NEXT:          </array>
745// CHECK-NEXT:         <key>end</key>
746// CHECK-NEXT:          <array>
747// CHECK-NEXT:           <dict>
748// CHECK-NEXT:            <key>line</key><integer>43</integer>
749// CHECK-NEXT:            <key>col</key><integer>10</integer>
750// CHECK-NEXT:            <key>file</key><integer>0</integer>
751// CHECK-NEXT:           </dict>
752// CHECK-NEXT:           <dict>
753// CHECK-NEXT:            <key>line</key><integer>43</integer>
754// CHECK-NEXT:            <key>col</key><integer>10</integer>
755// CHECK-NEXT:            <key>file</key><integer>0</integer>
756// CHECK-NEXT:           </dict>
757// CHECK-NEXT:          </array>
758// CHECK-NEXT:        </dict>
759// CHECK-NEXT:       </array>
760// CHECK-NEXT:     </dict>
761// CHECK-NEXT:     <dict>
762// CHECK-NEXT:      <key>kind</key><string>event</string>
763// CHECK-NEXT:      <key>location</key>
764// CHECK-NEXT:      <dict>
765// CHECK-NEXT:       <key>line</key><integer>43</integer>
766// CHECK-NEXT:       <key>col</key><integer>10</integer>
767// CHECK-NEXT:       <key>file</key><integer>0</integer>
768// CHECK-NEXT:      </dict>
769// CHECK-NEXT:      <key>ranges</key>
770// CHECK-NEXT:      <array>
771// CHECK-NEXT:        <array>
772// CHECK-NEXT:         <dict>
773// CHECK-NEXT:          <key>line</key><integer>43</integer>
774// CHECK-NEXT:          <key>col</key><integer>10</integer>
775// CHECK-NEXT:          <key>file</key><integer>0</integer>
776// CHECK-NEXT:         </dict>
777// CHECK-NEXT:         <dict>
778// CHECK-NEXT:          <key>line</key><integer>43</integer>
779// CHECK-NEXT:          <key>col</key><integer>14</integer>
780// CHECK-NEXT:          <key>file</key><integer>0</integer>
781// CHECK-NEXT:         </dict>
782// CHECK-NEXT:        </array>
783// CHECK-NEXT:      </array>
784// CHECK-NEXT:      <key>depth</key><integer>0</integer>
785// CHECK-NEXT:      <key>extended_message</key>
786// CHECK-NEXT:      <string>Division by zero</string>
787// CHECK-NEXT:      <key>message</key>
788// CHECK-NEXT:      <string>Division by zero</string>
789// CHECK-NEXT:     </dict>
790// CHECK-NEXT:    </array>
791// CHECK-NEXT:    <key>description</key><string>Division by zero</string>
792// CHECK-NEXT:    <key>category</key><string>Logic error</string>
793// CHECK-NEXT:    <key>type</key><string>Division by zero</string>
794// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
795// CHECK-NEXT:   <key>issue_context</key><string>testDispatchSyncInlining</string>
796// CHECK-NEXT:   <key>issue_hash</key><string>14</string>
797// CHECK-NEXT:   <key>location</key>
798// CHECK-NEXT:   <dict>
799// CHECK-NEXT:    <key>line</key><integer>43</integer>
800// CHECK-NEXT:    <key>col</key><integer>10</integer>
801// CHECK-NEXT:    <key>file</key><integer>0</integer>
802// CHECK-NEXT:   </dict>
803// CHECK-NEXT:   </dict>
804// CHECK-NEXT:   <dict>
805// CHECK-NEXT:    <key>path</key>
806// CHECK-NEXT:    <array>
807// CHECK-NEXT:     <dict>
808// CHECK-NEXT:      <key>kind</key><string>control</string>
809// CHECK-NEXT:      <key>edges</key>
810// CHECK-NEXT:       <array>
811// CHECK-NEXT:        <dict>
812// CHECK-NEXT:         <key>start</key>
813// CHECK-NEXT:          <array>
814// CHECK-NEXT:           <dict>
815// CHECK-NEXT:            <key>line</key><integer>51</integer>
816// CHECK-NEXT:            <key>col</key><integer>3</integer>
817// CHECK-NEXT:            <key>file</key><integer>0</integer>
818// CHECK-NEXT:           </dict>
819// CHECK-NEXT:           <dict>
820// CHECK-NEXT:            <key>line</key><integer>51</integer>
821// CHECK-NEXT:            <key>col</key><integer>8</integer>
822// CHECK-NEXT:            <key>file</key><integer>0</integer>
823// CHECK-NEXT:           </dict>
824// CHECK-NEXT:          </array>
825// CHECK-NEXT:         <key>end</key>
826// CHECK-NEXT:          <array>
827// CHECK-NEXT:           <dict>
828// CHECK-NEXT:            <key>line</key><integer>56</integer>
829// CHECK-NEXT:            <key>col</key><integer>3</integer>
830// CHECK-NEXT:            <key>file</key><integer>0</integer>
831// CHECK-NEXT:           </dict>
832// CHECK-NEXT:           <dict>
833// CHECK-NEXT:            <key>line</key><integer>56</integer>
834// CHECK-NEXT:            <key>col</key><integer>15</integer>
835// CHECK-NEXT:            <key>file</key><integer>0</integer>
836// CHECK-NEXT:           </dict>
837// CHECK-NEXT:          </array>
838// CHECK-NEXT:        </dict>
839// CHECK-NEXT:       </array>
840// CHECK-NEXT:     </dict>
841// CHECK-NEXT:     <dict>
842// CHECK-NEXT:      <key>kind</key><string>event</string>
843// CHECK-NEXT:      <key>location</key>
844// CHECK-NEXT:      <dict>
845// CHECK-NEXT:       <key>line</key><integer>56</integer>
846// CHECK-NEXT:       <key>col</key><integer>3</integer>
847// CHECK-NEXT:       <key>file</key><integer>0</integer>
848// CHECK-NEXT:      </dict>
849// CHECK-NEXT:      <key>ranges</key>
850// CHECK-NEXT:      <array>
851// CHECK-NEXT:        <array>
852// CHECK-NEXT:         <dict>
853// CHECK-NEXT:          <key>line</key><integer>56</integer>
854// CHECK-NEXT:          <key>col</key><integer>3</integer>
855// CHECK-NEXT:          <key>file</key><integer>0</integer>
856// CHECK-NEXT:         </dict>
857// CHECK-NEXT:         <dict>
858// CHECK-NEXT:          <key>line</key><integer>62</integer>
859// CHECK-NEXT:          <key>col</key><integer>4</integer>
860// CHECK-NEXT:          <key>file</key><integer>0</integer>
861// CHECK-NEXT:         </dict>
862// CHECK-NEXT:        </array>
863// CHECK-NEXT:      </array>
864// CHECK-NEXT:      <key>depth</key><integer>0</integer>
865// CHECK-NEXT:      <key>extended_message</key>
866// CHECK-NEXT:      <string>Calling &apos;dispatch_sync&apos;</string>
867// CHECK-NEXT:      <key>message</key>
868// CHECK-NEXT:      <string>Calling &apos;dispatch_sync&apos;</string>
869// CHECK-NEXT:     </dict>
870// CHECK-NEXT:     <dict>
871// CHECK-NEXT:      <key>kind</key><string>event</string>
872// CHECK-NEXT:      <key>location</key>
873// CHECK-NEXT:      <dict>
874// CHECK-NEXT:       <key>line</key><integer>7</integer>
875// CHECK-NEXT:       <key>col</key><integer>1</integer>
876// CHECK-NEXT:       <key>file</key><integer>0</integer>
877// CHECK-NEXT:      </dict>
878// CHECK-NEXT:      <key>depth</key><integer>1</integer>
879// CHECK-NEXT:      <key>extended_message</key>
880// CHECK-NEXT:      <string>Entered call from &apos;testDispatchSyncInliningNoPruning&apos;</string>
881// CHECK-NEXT:      <key>message</key>
882// CHECK-NEXT:      <string>Entered call from &apos;testDispatchSyncInliningNoPruning&apos;</string>
883// CHECK-NEXT:     </dict>
884// CHECK-NEXT:     <dict>
885// CHECK-NEXT:      <key>kind</key><string>event</string>
886// CHECK-NEXT:      <key>location</key>
887// CHECK-NEXT:      <dict>
888// CHECK-NEXT:       <key>line</key><integer>7</integer>
889// CHECK-NEXT:       <key>col</key><integer>1</integer>
890// CHECK-NEXT:       <key>file</key><integer>0</integer>
891// CHECK-NEXT:      </dict>
892// CHECK-NEXT:      <key>depth</key><integer>1</integer>
893// CHECK-NEXT:      <key>extended_message</key>
894// CHECK-NEXT:      <string>Calling anonymous block</string>
895// CHECK-NEXT:      <key>message</key>
896// CHECK-NEXT:      <string>Calling anonymous block</string>
897// CHECK-NEXT:     </dict>
898// CHECK-NEXT:     <dict>
899// CHECK-NEXT:      <key>kind</key><string>event</string>
900// CHECK-NEXT:      <key>location</key>
901// CHECK-NEXT:      <dict>
902// CHECK-NEXT:       <key>line</key><integer>56</integer>
903// CHECK-NEXT:       <key>col</key><integer>30</integer>
904// CHECK-NEXT:       <key>file</key><integer>0</integer>
905// CHECK-NEXT:      </dict>
906// CHECK-NEXT:      <key>depth</key><integer>2</integer>
907// CHECK-NEXT:      <key>extended_message</key>
908// CHECK-NEXT:      <string>Entered call from &apos;dispatch_sync&apos;</string>
909// CHECK-NEXT:      <key>message</key>
910// CHECK-NEXT:      <string>Entered call from &apos;dispatch_sync&apos;</string>
911// CHECK-NEXT:     </dict>
912// CHECK-NEXT:     <dict>
913// CHECK-NEXT:      <key>kind</key><string>control</string>
914// CHECK-NEXT:      <key>edges</key>
915// CHECK-NEXT:       <array>
916// CHECK-NEXT:        <dict>
917// CHECK-NEXT:         <key>start</key>
918// CHECK-NEXT:          <array>
919// CHECK-NEXT:           <dict>
920// CHECK-NEXT:            <key>line</key><integer>56</integer>
921// CHECK-NEXT:            <key>col</key><integer>30</integer>
922// CHECK-NEXT:            <key>file</key><integer>0</integer>
923// CHECK-NEXT:           </dict>
924// CHECK-NEXT:           <dict>
925// CHECK-NEXT:            <key>line</key><integer>56</integer>
926// CHECK-NEXT:            <key>col</key><integer>30</integer>
927// CHECK-NEXT:            <key>file</key><integer>0</integer>
928// CHECK-NEXT:           </dict>
929// CHECK-NEXT:          </array>
930// CHECK-NEXT:         <key>end</key>
931// CHECK-NEXT:          <array>
932// CHECK-NEXT:           <dict>
933// CHECK-NEXT:            <key>line</key><integer>58</integer>
934// CHECK-NEXT:            <key>col</key><integer>5</integer>
935// CHECK-NEXT:            <key>file</key><integer>0</integer>
936// CHECK-NEXT:           </dict>
937// CHECK-NEXT:           <dict>
938// CHECK-NEXT:            <key>line</key><integer>58</integer>
939// CHECK-NEXT:            <key>col</key><integer>7</integer>
940// CHECK-NEXT:            <key>file</key><integer>0</integer>
941// CHECK-NEXT:           </dict>
942// CHECK-NEXT:          </array>
943// CHECK-NEXT:        </dict>
944// CHECK-NEXT:       </array>
945// CHECK-NEXT:     </dict>
946// CHECK-NEXT:     <dict>
947// CHECK-NEXT:      <key>kind</key><string>event</string>
948// CHECK-NEXT:      <key>location</key>
949// CHECK-NEXT:      <dict>
950// CHECK-NEXT:       <key>line</key><integer>58</integer>
951// CHECK-NEXT:       <key>col</key><integer>5</integer>
952// CHECK-NEXT:       <key>file</key><integer>0</integer>
953// CHECK-NEXT:      </dict>
954// CHECK-NEXT:      <key>ranges</key>
955// CHECK-NEXT:      <array>
956// CHECK-NEXT:        <array>
957// CHECK-NEXT:         <dict>
958// CHECK-NEXT:          <key>line</key><integer>58</integer>
959// CHECK-NEXT:          <key>col</key><integer>5</integer>
960// CHECK-NEXT:          <key>file</key><integer>0</integer>
961// CHECK-NEXT:         </dict>
962// CHECK-NEXT:         <dict>
963// CHECK-NEXT:          <key>line</key><integer>58</integer>
964// CHECK-NEXT:          <key>col</key><integer>9</integer>
965// CHECK-NEXT:          <key>file</key><integer>0</integer>
966// CHECK-NEXT:         </dict>
967// CHECK-NEXT:        </array>
968// CHECK-NEXT:      </array>
969// CHECK-NEXT:      <key>depth</key><integer>2</integer>
970// CHECK-NEXT:      <key>extended_message</key>
971// CHECK-NEXT:      <string>&apos;x&apos; declared without an initial value</string>
972// CHECK-NEXT:      <key>message</key>
973// CHECK-NEXT:      <string>&apos;x&apos; declared without an initial value</string>
974// CHECK-NEXT:     </dict>
975// CHECK-NEXT:     <dict>
976// CHECK-NEXT:      <key>kind</key><string>control</string>
977// CHECK-NEXT:      <key>edges</key>
978// CHECK-NEXT:       <array>
979// CHECK-NEXT:        <dict>
980// CHECK-NEXT:         <key>start</key>
981// CHECK-NEXT:          <array>
982// CHECK-NEXT:           <dict>
983// CHECK-NEXT:            <key>line</key><integer>58</integer>
984// CHECK-NEXT:            <key>col</key><integer>5</integer>
985// CHECK-NEXT:            <key>file</key><integer>0</integer>
986// CHECK-NEXT:           </dict>
987// CHECK-NEXT:           <dict>
988// CHECK-NEXT:            <key>line</key><integer>58</integer>
989// CHECK-NEXT:            <key>col</key><integer>7</integer>
990// CHECK-NEXT:            <key>file</key><integer>0</integer>
991// CHECK-NEXT:           </dict>
992// CHECK-NEXT:          </array>
993// CHECK-NEXT:         <key>end</key>
994// CHECK-NEXT:          <array>
995// CHECK-NEXT:           <dict>
996// CHECK-NEXT:            <key>line</key><integer>60</integer>
997// CHECK-NEXT:            <key>col</key><integer>5</integer>
998// CHECK-NEXT:            <key>file</key><integer>0</integer>
999// CHECK-NEXT:           </dict>
1000// CHECK-NEXT:           <dict>
1001// CHECK-NEXT:            <key>line</key><integer>60</integer>
1002// CHECK-NEXT:            <key>col</key><integer>5</integer>
1003// CHECK-NEXT:            <key>file</key><integer>0</integer>
1004// CHECK-NEXT:           </dict>
1005// CHECK-NEXT:          </array>
1006// CHECK-NEXT:        </dict>
1007// CHECK-NEXT:       </array>
1008// CHECK-NEXT:     </dict>
1009// CHECK-NEXT:     <dict>
1010// CHECK-NEXT:      <key>kind</key><string>event</string>
1011// CHECK-NEXT:      <key>location</key>
1012// CHECK-NEXT:      <dict>
1013// CHECK-NEXT:       <key>line</key><integer>60</integer>
1014// CHECK-NEXT:       <key>col</key><integer>5</integer>
1015// CHECK-NEXT:       <key>file</key><integer>0</integer>
1016// CHECK-NEXT:      </dict>
1017// CHECK-NEXT:      <key>ranges</key>
1018// CHECK-NEXT:      <array>
1019// CHECK-NEXT:        <array>
1020// CHECK-NEXT:         <dict>
1021// CHECK-NEXT:          <key>line</key><integer>60</integer>
1022// CHECK-NEXT:          <key>col</key><integer>12</integer>
1023// CHECK-NEXT:          <key>file</key><integer>0</integer>
1024// CHECK-NEXT:         </dict>
1025// CHECK-NEXT:         <dict>
1026// CHECK-NEXT:          <key>line</key><integer>60</integer>
1027// CHECK-NEXT:          <key>col</key><integer>12</integer>
1028// CHECK-NEXT:          <key>file</key><integer>0</integer>
1029// CHECK-NEXT:         </dict>
1030// CHECK-NEXT:        </array>
1031// CHECK-NEXT:      </array>
1032// CHECK-NEXT:      <key>depth</key><integer>2</integer>
1033// CHECK-NEXT:      <key>extended_message</key>
1034// CHECK-NEXT:      <string>Variable &apos;x&apos; is uninitialized when captured by block</string>
1035// CHECK-NEXT:      <key>message</key>
1036// CHECK-NEXT:      <string>Variable &apos;x&apos; is uninitialized when captured by block</string>
1037// CHECK-NEXT:     </dict>
1038// CHECK-NEXT:    </array>
1039// CHECK-NEXT:    <key>description</key><string>Variable &apos;x&apos; is uninitialized when captured by block</string>
1040// CHECK-NEXT:    <key>category</key><string>Logic error</string>
1041// CHECK-NEXT:    <key>type</key><string>uninitialized variable captured by block</string>
1042// CHECK-NEXT:   <key>location</key>
1043// CHECK-NEXT:   <dict>
1044// CHECK-NEXT:    <key>line</key><integer>60</integer>
1045// CHECK-NEXT:    <key>col</key><integer>5</integer>
1046// CHECK-NEXT:    <key>file</key><integer>0</integer>
1047// CHECK-NEXT:   </dict>
1048// CHECK-NEXT:   </dict>
1049// CHECK-NEXT:  </array>
1050