[analyzer] Keep tracking the pointer after the escape to more aggressively report mismatched deallocator

Test that the path notes do not change. I don’t think we should print a note on escape.

Also, I’ve removed a check that assumed that the family stored in the RefStete could be
AF_None and added an assert in the constructor.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/MismatchedDeallocator-path-notes.cpp b/test/Analysis/MismatchedDeallocator-path-notes.cpp
index 3c2b88f..369d8f6 100644
--- a/test/Analysis/MismatchedDeallocator-path-notes.cpp
+++ b/test/Analysis/MismatchedDeallocator-path-notes.cpp
@@ -2,156 +2,158 @@
 // RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.MismatchedDeallocator -analyzer-output=plist %s -o %t.plist
 // RUN: FileCheck --input-file=%t.plist %s
 
+void changePointee(int *p);
 void test() {
   int *p = new int[1];
   // expected-note@-1 {{Memory is allocated}}
+  changePointee(p);
   delete p; // expected-warning {{Memory allocated by 'new[]' should be deallocated by 'delete[]', not 'delete'}}
   // expected-note@-1 {{Memory allocated by 'new[]' should be deallocated by 'delete[]', not 'delete'}}
 }
 
-// CHECK:     <key>diagnostics</key>
-// CHECK-NEXT:<array>
-// CHECK-NEXT: <dict>
-// CHECK-NEXT:  <key>path</key>
-// CHECK-NEXT:  <array>
-// CHECK-NEXT:   <dict>
-// CHECK-NEXT:    <key>kind</key><string>control</string>
-// CHECK-NEXT:    <key>edges</key>
-// CHECK-NEXT:     <array>
-// CHECK-NEXT:      <dict>
-// CHECK-NEXT:       <key>start</key>
-// CHECK-NEXT:        <array>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>6</integer>
-// CHECK-NEXT:          <key>col</key><integer>3</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>6</integer>
-// CHECK-NEXT:          <key>col</key><integer>5</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:        </array>
-// CHECK-NEXT:       <key>end</key>
-// CHECK-NEXT:        <array>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>6</integer>
-// CHECK-NEXT:          <key>col</key><integer>12</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>6</integer>
-// CHECK-NEXT:          <key>col</key><integer>14</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:        </array>
-// CHECK-NEXT:      </dict>
-// CHECK-NEXT:     </array>
-// CHECK-NEXT:   </dict>
-// CHECK-NEXT:   <dict>
-// CHECK-NEXT:    <key>kind</key><string>event</string>
-// CHECK-NEXT:    <key>location</key>
+// CHECK: <key>diagnostics</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT:  <dict>
+// CHECK-NEXT:   <key>path</key>
+// CHECK-NEXT:   <array>
 // CHECK-NEXT:    <dict>
-// CHECK-NEXT:     <key>line</key><integer>6</integer>
-// CHECK-NEXT:     <key>col</key><integer>12</integer>
-// CHECK-NEXT:     <key>file</key><integer>0</integer>
-// CHECK-NEXT:    </dict>
-// CHECK-NEXT:    <key>ranges</key>
-// CHECK-NEXT:    <array>
+// CHECK-NEXT:     <key>kind</key><string>control</string>
+// CHECK-NEXT:     <key>edges</key>
 // CHECK-NEXT:      <array>
 // CHECK-NEXT:       <dict>
-// CHECK-NEXT:        <key>line</key><integer>6</integer>
-// CHECK-NEXT:        <key>col</key><integer>12</integer>
-// CHECK-NEXT:        <key>file</key><integer>0</integer>
-// CHECK-NEXT:       </dict>
-// CHECK-NEXT:       <dict>
-// CHECK-NEXT:        <key>line</key><integer>6</integer>
-// CHECK-NEXT:        <key>col</key><integer>21</integer>
-// CHECK-NEXT:        <key>file</key><integer>0</integer>
+// CHECK-NEXT:        <key>start</key>
+// CHECK-NEXT:         <array>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>7</integer>
+// CHECK-NEXT:           <key>col</key><integer>3</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>7</integer>
+// CHECK-NEXT:           <key>col</key><integer>5</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:         </array>
+// CHECK-NEXT:        <key>end</key>
+// CHECK-NEXT:         <array>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>7</integer>
+// CHECK-NEXT:           <key>col</key><integer>12</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>7</integer>
+// CHECK-NEXT:           <key>col</key><integer>14</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:         </array>
 // CHECK-NEXT:       </dict>
 // CHECK-NEXT:      </array>
-// CHECK-NEXT:    </array>
-// CHECK-NEXT:    <key>depth</key><integer>0</integer>
-// CHECK-NEXT:    <key>extended_message</key>
-// CHECK-NEXT:    <string>Memory is allocated</string>
-// CHECK-NEXT:    <key>message</key>
-// CHECK-NEXT:    <string>Memory is allocated</string>
-// CHECK-NEXT:   </dict>
-// CHECK-NEXT:   <dict>
-// CHECK-NEXT:    <key>kind</key><string>control</string>
-// CHECK-NEXT:    <key>edges</key>
-// CHECK-NEXT:     <array>
-// CHECK-NEXT:      <dict>
-// CHECK-NEXT:       <key>start</key>
-// CHECK-NEXT:        <array>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>6</integer>
-// CHECK-NEXT:          <key>col</key><integer>12</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>6</integer>
-// CHECK-NEXT:          <key>col</key><integer>14</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:        </array>
-// CHECK-NEXT:       <key>end</key>
-// CHECK-NEXT:        <array>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>8</integer>
-// CHECK-NEXT:          <key>col</key><integer>3</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:         <dict>
-// CHECK-NEXT:          <key>line</key><integer>8</integer>
-// CHECK-NEXT:          <key>col</key><integer>8</integer>
-// CHECK-NEXT:          <key>file</key><integer>0</integer>
-// CHECK-NEXT:         </dict>
-// CHECK-NEXT:        </array>
-// CHECK-NEXT:      </dict>
-// CHECK-NEXT:     </array>
-// CHECK-NEXT:   </dict>
-// CHECK-NEXT:   <dict>
-// CHECK-NEXT:    <key>kind</key><string>event</string>
-// CHECK-NEXT:    <key>location</key>
-// CHECK-NEXT:    <dict>
-// CHECK-NEXT:     <key>line</key><integer>8</integer>
-// CHECK-NEXT:     <key>col</key><integer>3</integer>
-// CHECK-NEXT:     <key>file</key><integer>0</integer>
 // CHECK-NEXT:    </dict>
-// CHECK-NEXT:    <key>ranges</key>
-// CHECK-NEXT:    <array>
+// CHECK-NEXT:    <dict>
+// CHECK-NEXT:     <key>kind</key><string>event</string>
+// CHECK-NEXT:     <key>location</key>
+// CHECK-NEXT:     <dict>
+// CHECK-NEXT:      <key>line</key><integer>7</integer>
+// CHECK-NEXT:      <key>col</key><integer>12</integer>
+// CHECK-NEXT:      <key>file</key><integer>0</integer>
+// CHECK-NEXT:     </dict>
+// CHECK-NEXT:     <key>ranges</key>
+// CHECK-NEXT:     <array>
+// CHECK-NEXT:       <array>
+// CHECK-NEXT:        <dict>
+// CHECK-NEXT:         <key>line</key><integer>7</integer>
+// CHECK-NEXT:         <key>col</key><integer>12</integer>
+// CHECK-NEXT:         <key>file</key><integer>0</integer>
+// CHECK-NEXT:        </dict>
+// CHECK-NEXT:        <dict>
+// CHECK-NEXT:         <key>line</key><integer>7</integer>
+// CHECK-NEXT:         <key>col</key><integer>21</integer>
+// CHECK-NEXT:         <key>file</key><integer>0</integer>
+// CHECK-NEXT:        </dict>
+// CHECK-NEXT:       </array>
+// CHECK-NEXT:     </array>
+// CHECK-NEXT:     <key>depth</key><integer>0</integer>
+// CHECK-NEXT:     <key>extended_message</key>
+// CHECK-NEXT:     <string>Memory is allocated</string>
+// CHECK-NEXT:     <key>message</key>
+// CHECK-NEXT:     <string>Memory is allocated</string>
+// CHECK-NEXT:    </dict>
+// CHECK-NEXT:    <dict>
+// CHECK-NEXT:     <key>kind</key><string>control</string>
+// CHECK-NEXT:     <key>edges</key>
 // CHECK-NEXT:      <array>
 // CHECK-NEXT:       <dict>
-// CHECK-NEXT:        <key>line</key><integer>8</integer>
-// CHECK-NEXT:        <key>col</key><integer>10</integer>
-// CHECK-NEXT:        <key>file</key><integer>0</integer>
-// CHECK-NEXT:       </dict>
-// CHECK-NEXT:       <dict>
-// CHECK-NEXT:        <key>line</key><integer>8</integer>
-// CHECK-NEXT:        <key>col</key><integer>10</integer>
-// CHECK-NEXT:        <key>file</key><integer>0</integer>
+// CHECK-NEXT:        <key>start</key>
+// CHECK-NEXT:         <array>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>7</integer>
+// CHECK-NEXT:           <key>col</key><integer>12</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>7</integer>
+// CHECK-NEXT:           <key>col</key><integer>14</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:         </array>
+// CHECK-NEXT:        <key>end</key>
+// CHECK-NEXT:         <array>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>10</integer>
+// CHECK-NEXT:           <key>col</key><integer>3</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:          <dict>
+// CHECK-NEXT:           <key>line</key><integer>10</integer>
+// CHECK-NEXT:           <key>col</key><integer>8</integer>
+// CHECK-NEXT:           <key>file</key><integer>0</integer>
+// CHECK-NEXT:          </dict>
+// CHECK-NEXT:         </array>
 // CHECK-NEXT:       </dict>
 // CHECK-NEXT:      </array>
-// CHECK-NEXT:    </array>
-// CHECK-NEXT:    <key>depth</key><integer>0</integer>
-// CHECK-NEXT:    <key>extended_message</key>
-// CHECK-NEXT:    <string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
-// CHECK-NEXT:    <key>message</key>
-// CHECK-NEXT:    <string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
-// CHECK-NEXT:   </dict>
-// CHECK-NEXT:  </array>
-// CHECK-NEXT:  <key>description</key><string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
-// CHECK-NEXT:  <key>category</key><string>Memory Error</string>
-// CHECK-NEXT:  <key>type</key><string>Bad deallocator</string>
-// CHECK-NEXT: <key>issue_context_kind</key><string>function</string>
-// CHECK-NEXT: <key>issue_context</key><string>test</string>
-// CHECK-NEXT: <key>issue_hash</key><string>3</string>
-// CHECK-NEXT: <key>location</key>
-// CHECK-NEXT: <dict>
-// CHECK-NEXT:  <key>line</key><integer>8</integer>
-// CHECK-NEXT:  <key>col</key><integer>3</integer>
-// CHECK-NEXT:  <key>file</key><integer>0</integer>
-// CHECK-NEXT: </dict>
-// CHECK-NEXT: </dict>
-// CHECK-NEXT:</array>
+// CHECK-NEXT:    </dict>
+// CHECK-NEXT:    <dict>
+// CHECK-NEXT:     <key>kind</key><string>event</string>
+// CHECK-NEXT:     <key>location</key>
+// CHECK-NEXT:     <dict>
+// CHECK-NEXT:      <key>line</key><integer>10</integer>
+// CHECK-NEXT:      <key>col</key><integer>3</integer>
+// CHECK-NEXT:      <key>file</key><integer>0</integer>
+// CHECK-NEXT:     </dict>
+// CHECK-NEXT:     <key>ranges</key>
+// CHECK-NEXT:     <array>
+// CHECK-NEXT:       <array>
+// CHECK-NEXT:        <dict>
+// CHECK-NEXT:         <key>line</key><integer>10</integer>
+// CHECK-NEXT:         <key>col</key><integer>10</integer>
+// CHECK-NEXT:         <key>file</key><integer>0</integer>
+// CHECK-NEXT:        </dict>
+// CHECK-NEXT:        <dict>
+// CHECK-NEXT:         <key>line</key><integer>10</integer>
+// CHECK-NEXT:         <key>col</key><integer>10</integer>
+// CHECK-NEXT:         <key>file</key><integer>0</integer>
+// CHECK-NEXT:        </dict>
+// CHECK-NEXT:       </array>
+// CHECK-NEXT:     </array>
+// CHECK-NEXT:     <key>depth</key><integer>0</integer>
+// CHECK-NEXT:     <key>extended_message</key>
+// CHECK-NEXT:     <string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
+// CHECK-NEXT:     <key>message</key>
+// CHECK-NEXT:     <string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
+// CHECK-NEXT:    </dict>
+// CHECK-NEXT:   </array>
+// CHECK-NEXT:   <key>description</key><string>Memory allocated by &apos;new[]&apos; should be deallocated by &apos;delete[]&apos;, not &apos;delete&apos;</string>
+// CHECK-NEXT:   <key>category</key><string>Memory Error</string>
+// CHECK-NEXT:   <key>type</key><string>Bad deallocator</string>
+// CHECK-NEXT:  <key>issue_context_kind</key><string>function</string>
+// CHECK-NEXT:  <key>issue_context</key><string>test</string>
+// CHECK-NEXT:  <key>issue_hash</key><string>4</string>
+// CHECK-NEXT:  <key>location</key>
+// CHECK-NEXT:  <dict>
+// CHECK-NEXT:   <key>line</key><integer>10</integer>
+// CHECK-NEXT:   <key>col</key><integer>3</integer>
+// CHECK-NEXT:   <key>file</key><integer>0</integer>
+// CHECK-NEXT:  </dict>
+// CHECK-NEXT:  </dict>
+// CHECK-NEXT: </array>