305 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			305 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // RUN: %clang --analyze %s -Xanalyzer -analyzer-config -Xanalyzer path-diagnostics-alternate=false -o %t > /dev/null 2>&1
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| // RUN: FileCheck -input-file %t %s
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| 
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| static inline bug(int *p) {
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|   *p = 0xDEADBEEF;
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| }
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| 
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| void test_bug_1() {
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|   int *p = 0;
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|   bug(p);
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| }
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| 
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| void test_bug_2() {
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|   int *p = 0;
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|   bug(p);
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| }
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| 
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| 
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| // CHECK:  <key>diagnostics</key>
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| // CHECK-NEXT:  <array>
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| // CHECK-NEXT:   <dict>
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| // CHECK-NEXT:    <key>path</key>
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| // CHECK-NEXT:    <array>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>event</string>
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| // CHECK-NEXT:      <key>location</key>
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| // CHECK-NEXT:      <dict>
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| // CHECK-NEXT:       <key>line</key><integer>14</integer>
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| // CHECK-NEXT:       <key>col</key><integer>3</integer>
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| // CHECK-NEXT:       <key>file</key><integer>0</integer>
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| // CHECK-NEXT:      </dict>
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| // CHECK-NEXT:      <key>ranges</key>
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| // CHECK-NEXT:      <array>
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| // CHECK-NEXT:        <array>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>14</integer>
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| // CHECK-NEXT:          <key>col</key><integer>3</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>14</integer>
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| // CHECK-NEXT:          <key>col</key><integer>8</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:        </array>
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| // CHECK-NEXT:      </array>
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| // CHECK-NEXT:      <key>depth</key><integer>0</integer>
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| // CHECK-NEXT:      <key>extended_message</key>
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| // CHECK-NEXT:      <string>'p' initialized to a null pointer value</string>
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| // CHECK-NEXT:      <key>message</key>
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| // CHECK-NEXT:      <string>'p' initialized to a null pointer value</string>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>control</string>
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| // CHECK-NEXT:      <key>edges</key>
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| // CHECK-NEXT:       <array>
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| // CHECK-NEXT:        <dict>
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| // CHECK-NEXT:         <key>start</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>14</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>14</integer>
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| // CHECK-NEXT:            <key>col</key><integer>5</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:         <key>end</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>15</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>15</integer>
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| // CHECK-NEXT:            <key>col</key><integer>5</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:        </dict>
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| // CHECK-NEXT:       </array>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>control</string>
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| // CHECK-NEXT:      <key>edges</key>
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| // CHECK-NEXT:       <array>
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| // CHECK-NEXT:        <dict>
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| // CHECK-NEXT:         <key>start</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>15</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>15</integer>
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| // CHECK-NEXT:            <key>col</key><integer>5</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:         <key>end</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>15</integer>
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| // CHECK-NEXT:            <key>col</key><integer>7</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>15</integer>
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| // CHECK-NEXT:            <key>col</key><integer>7</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:        </dict>
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| // CHECK-NEXT:       </array>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>event</string>
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| // CHECK-NEXT:      <key>location</key>
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| // CHECK-NEXT:      <dict>
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| // CHECK-NEXT:       <key>line</key><integer>15</integer>
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| // CHECK-NEXT:       <key>col</key><integer>7</integer>
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| // CHECK-NEXT:       <key>file</key><integer>0</integer>
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| // CHECK-NEXT:      </dict>
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| // CHECK-NEXT:      <key>ranges</key>
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| // CHECK-NEXT:      <array>
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| // CHECK-NEXT:        <array>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>15</integer>
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| // CHECK-NEXT:          <key>col</key><integer>7</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>15</integer>
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| // CHECK-NEXT:          <key>col</key><integer>7</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:        </array>
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| // CHECK-NEXT:      </array>
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| // CHECK-NEXT:      <key>depth</key><integer>0</integer>
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| // CHECK-NEXT:      <key>extended_message</key>
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| // CHECK-NEXT:      <string>Passing null pointer value via 1st parameter 'p'</string>
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| // CHECK-NEXT:      <key>message</key>
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| // CHECK-NEXT:      <string>Passing null pointer value via 1st parameter 'p'</string>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>event</string>
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| // CHECK-NEXT:      <key>location</key>
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| // CHECK-NEXT:      <dict>
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| // CHECK-NEXT:       <key>line</key><integer>15</integer>
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| // CHECK-NEXT:       <key>col</key><integer>3</integer>
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| // CHECK-NEXT:       <key>file</key><integer>0</integer>
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| // CHECK-NEXT:      </dict>
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| // CHECK-NEXT:      <key>ranges</key>
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| // CHECK-NEXT:      <array>
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| // CHECK-NEXT:        <array>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>15</integer>
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| // CHECK-NEXT:          <key>col</key><integer>3</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>15</integer>
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| // CHECK-NEXT:          <key>col</key><integer>8</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:        </array>
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| // CHECK-NEXT:      </array>
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| // CHECK-NEXT:      <key>depth</key><integer>0</integer>
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| // CHECK-NEXT:      <key>extended_message</key>
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| // CHECK-NEXT:      <string>Calling 'bug'</string>
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| // CHECK-NEXT:      <key>message</key>
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| // CHECK-NEXT:      <string>Calling 'bug'</string>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>event</string>
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| // CHECK-NEXT:      <key>location</key>
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| // CHECK-NEXT:      <dict>
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| // CHECK-NEXT:       <key>line</key><integer>4</integer>
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| // CHECK-NEXT:       <key>col</key><integer>1</integer>
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| // CHECK-NEXT:       <key>file</key><integer>0</integer>
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| // CHECK-NEXT:      </dict>
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| // CHECK-NEXT:      <key>depth</key><integer>1</integer>
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| // CHECK-NEXT:      <key>extended_message</key>
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| // CHECK-NEXT:      <string>Entered call from 'test_bug_2'</string>
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| // CHECK-NEXT:      <key>message</key>
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| // CHECK-NEXT:      <string>Entered call from 'test_bug_2'</string>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>control</string>
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| // CHECK-NEXT:      <key>edges</key>
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| // CHECK-NEXT:       <array>
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| // CHECK-NEXT:        <dict>
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| // CHECK-NEXT:         <key>start</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>4</integer>
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| // CHECK-NEXT:            <key>col</key><integer>1</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>4</integer>
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| // CHECK-NEXT:            <key>col</key><integer>6</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:         <key>end</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>5</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>5</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:        </dict>
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| // CHECK-NEXT:       </array>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>control</string>
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| // CHECK-NEXT:      <key>edges</key>
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| // CHECK-NEXT:       <array>
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| // CHECK-NEXT:        <dict>
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| // CHECK-NEXT:         <key>start</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>5</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>5</integer>
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| // CHECK-NEXT:            <key>col</key><integer>3</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:         <key>end</key>
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| // CHECK-NEXT:          <array>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>5</integer>
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| // CHECK-NEXT:            <key>col</key><integer>6</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:           <dict>
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| // CHECK-NEXT:            <key>line</key><integer>5</integer>
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| // CHECK-NEXT:            <key>col</key><integer>6</integer>
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| // CHECK-NEXT:            <key>file</key><integer>0</integer>
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| // CHECK-NEXT:           </dict>
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| // CHECK-NEXT:          </array>
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| // CHECK-NEXT:        </dict>
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| // CHECK-NEXT:       </array>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:     <dict>
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| // CHECK-NEXT:      <key>kind</key><string>event</string>
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| // CHECK-NEXT:      <key>location</key>
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| // CHECK-NEXT:      <dict>
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| // CHECK-NEXT:       <key>line</key><integer>5</integer>
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| // CHECK-NEXT:       <key>col</key><integer>6</integer>
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| // CHECK-NEXT:       <key>file</key><integer>0</integer>
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| // CHECK-NEXT:      </dict>
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| // CHECK-NEXT:      <key>ranges</key>
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| // CHECK-NEXT:      <array>
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| // CHECK-NEXT:        <array>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>5</integer>
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| // CHECK-NEXT:          <key>col</key><integer>4</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:         <dict>
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| // CHECK-NEXT:          <key>line</key><integer>5</integer>
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| // CHECK-NEXT:          <key>col</key><integer>4</integer>
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| // CHECK-NEXT:          <key>file</key><integer>0</integer>
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| // CHECK-NEXT:         </dict>
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| // CHECK-NEXT:        </array>
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| // CHECK-NEXT:      </array>
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| // CHECK-NEXT:      <key>depth</key><integer>1</integer>
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| // CHECK-NEXT:      <key>extended_message</key>
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| // CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable 'p')</string>
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| // CHECK-NEXT:      <key>message</key>
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| // CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable 'p')</string>
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| // CHECK-NEXT:     </dict>
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| // CHECK-NEXT:    </array>
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| // CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from variable 'p')</string>
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| // CHECK-NEXT:    <key>category</key><string>Logic error</string>
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| // CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
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| // CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
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| // CHECK-NEXT:   <key>issue_context</key><string>bug</string>
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| // CHECK-NEXT:   <key>issue_hash</key><string>1</string>
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| // CHECK-NEXT:   <key>location</key>
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| // CHECK-NEXT:   <dict>
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| // CHECK-NEXT:    <key>line</key><integer>5</integer>
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| // CHECK-NEXT:    <key>col</key><integer>6</integer>
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| // CHECK-NEXT:    <key>file</key><integer>0</integer>
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| // CHECK-NEXT:   </dict>
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| // CHECK-NEXT:   </dict>
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| // CHECK-NEXT:  </array>
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