[analyzer diagnostics] flush locations *before* popping the current path when visiting a CallEnter.

Fixes <rdar://problem/10967815>

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151938 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 245 insertions, 10 deletions

diff --git a/lib/StaticAnalyzer/Core/BugReporter.cpp b/lib/StaticAnalyzer/Core/BugReporter.cpp
index 66eb52604d..2b554332ae 100644
--- a/lib/StaticAnalyzer/Core/BugReporter.cpp
+++ b/lib/StaticAnalyzer/Core/BugReporter.cpp
@@ -1229,17 +1229,14 @@ static void GenerateExtensivePathDiagnostic(PathDiagnostic& PD,
         PD.pushActivePath(&C->path);
         break;
       }
-
-      // Note that is important that we update the LocationContext
-      // after looking at CallExits.  CallExit basically adds an
-      // edge in the *caller*, so we don't want to update the LocationContext
-      // too soon.
-      PDB.LC = N->getLocationContext();
-
+      
       // Pop the call hierarchy if we are done walking the contents
       // of a function call.
       if (const CallEnter *CE = dyn_cast<CallEnter>(&P)) {
+        EB.flushLocations();
         PD.popActivePath();
+        assert(!PD.getActivePath().empty());
+        PDB.LC = N->getLocationContext();
         // The current active path should never be empty.  Either we
         // just added a bunch of stuff to the top-level path, or
         // we have a previous CallExit.  If the front of the active
@@ -1247,16 +1244,20 @@ static void GenerateExtensivePathDiagnostic(PathDiagnostic& PD,
         // path terminated within a function call.  We must then take the
         // current contents of the active path and place it within
         // a new PathDiagnosticCallPiece.
-        assert(!PD.getActivePath().empty());
-        PathDiagnosticCallPiece *C = 
+        PathDiagnosticCallPiece *C =
           dyn_cast<PathDiagnosticCallPiece>(PD.getActivePath().front());
         if (!C)
           C = PathDiagnosticCallPiece::construct(PD.getActivePath());
         C->setCallee(*CE, SM);
-        EB.flushLocations();
         EB.addContext(CE->getCallExpr());
         break;
       }
+      
+      // Note that is important that we update the LocationContext
+      // after looking at CallExits.  CallExit basically adds an
+      // edge in the *caller*, so we don't want to update the LocationContext
+      // too soon.
+      PDB.LC = N->getLocationContext();
 
       // Block edges.
       if (const BlockEdge *BE = dyn_cast<BlockEdge>(&P)) {        
diff --git a/test/Analysis/inline-plist.c b/test/Analysis/inline-plist.c
new file mode 100644
index 0000000000..c3420425ad
--- /dev/null
+++ b/test/Analysis/inline-plist.c
@@ -0,0 +1,234 @@
+// RUN: %clang --analyze %s -Xclang -analyzer-inline-call -o %t
+// RUN: FileCheck -input-file %t %s
+
+// <rdar://problem/10967815>
+void mmm(int y) {
+  if (y != 0)
+      y++;
+}
+
+int foo(int x, int y) {
+    mmm(y);
+    if (x != 0)
+      x++;
+    return 5/x;
+}
+
+// CHECK: <?xml version="1.0" encoding="UTF-8"?>
+// CHECK: <plist version="1.0">
+// CHECK: <dict>
+// CHECK:  <key>files</key>
+// CHECK:  <array>
+// CHECK:  </array>
+// CHECK:  <key>diagnostics</key>
+// CHECK:  <array>
+// CHECK:   <dict>
+// CHECK:    <key>path</key>
+// CHECK:    <array>
+// CHECK:     <dict>
+// CHECK:      <key>kind</key><string>control</string>
+// CHECK:      <key>edges</key>
+// CHECK:       <array>
+// CHECK:        <dict>
+// CHECK:         <key>start</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>11</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>11</integer>
+// CHECK:            <key>col</key><integer>10</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:         <key>end</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:        </dict>
+// CHECK:       </array>
+// CHECK:     </dict>
+// CHECK:     <dict>
+// CHECK:      <key>kind</key><string>control</string>
+// CHECK:      <key>edges</key>
+// CHECK:       <array>
+// CHECK:        <dict>
+// CHECK:         <key>start</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:         <key>end</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>9</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>9</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:        </dict>
+// CHECK:       </array>
+// CHECK:     </dict>
+// CHECK:     <dict>
+// CHECK:      <key>kind</key><string>event</string>
+// CHECK:      <key>location</key>
+// CHECK:      <dict>
+// CHECK:       <key>line</key><integer>12</integer>
+// CHECK:       <key>col</key><integer>9</integer>
+// CHECK:       <key>file</key><integer>0</integer>
+// CHECK:      </dict>
+// CHECK:      <key>ranges</key>
+// CHECK:      <array>
+// CHECK:        <array>
+// CHECK:         <dict>
+// CHECK:          <key>line</key><integer>12</integer>
+// CHECK:          <key>col</key><integer>9</integer>
+// CHECK:          <key>file</key><integer>0</integer>
+// CHECK:         </dict>
+// CHECK:         <dict>
+// CHECK:          <key>line</key><integer>12</integer>
+// CHECK:          <key>col</key><integer>14</integer>
+// CHECK:          <key>file</key><integer>0</integer>
+// CHECK:         </dict>
+// CHECK:        </array>
+// CHECK:      </array>
+// CHECK:      <key>extended_message</key>
+// CHECK:      <string>Assuming &apos;x&apos; is equal to 0</string>
+// CHECK:      <key>message</key>
+// CHECK: <string>Assuming &apos;x&apos; is equal to 0</string>
+// CHECK:     </dict>
+// CHECK:     <dict>
+// CHECK:      <key>kind</key><string>control</string>
+// CHECK:      <key>edges</key>
+// CHECK:       <array>
+// CHECK:        <dict>
+// CHECK:         <key>start</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>9</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>12</integer>
+// CHECK:            <key>col</key><integer>9</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:         <key>end</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>14</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>14</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:        </dict>
+// CHECK:       </array>
+// CHECK:     </dict>
+// CHECK:     <dict>
+// CHECK:      <key>kind</key><string>control</string>
+// CHECK:      <key>edges</key>
+// CHECK:       <array>
+// CHECK:        <dict>
+// CHECK:         <key>start</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>14</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>14</integer>
+// CHECK:            <key>col</key><integer>5</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:         <key>end</key>
+// CHECK:          <array>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>14</integer>
+// CHECK:            <key>col</key><integer>12</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:           <dict>
+// CHECK:            <key>line</key><integer>14</integer>
+// CHECK:            <key>col</key><integer>12</integer>
+// CHECK:            <key>file</key><integer>0</integer>
+// CHECK:           </dict>
+// CHECK:          </array>
+// CHECK:        </dict>
+// CHECK:       </array>
+// CHECK:     </dict>
+// CHECK:     <dict>
+// CHECK:      <key>kind</key><string>event</string>
+// CHECK:      <key>location</key>
+// CHECK:      <dict>
+// CHECK:       <key>line</key><integer>14</integer>
+// CHECK:       <key>col</key><integer>12</integer>
+// CHECK:       <key>file</key><integer>0</integer>
+// CHECK:      </dict>
+// CHECK:      <key>ranges</key>
+// CHECK:      <array>
+// CHECK:        <array>
+// CHECK:         <dict>
+// CHECK:          <key>line</key><integer>14</integer>
+// CHECK:          <key>col</key><integer>12</integer>
+// CHECK:          <key>file</key><integer>0</integer>
+// CHECK:         </dict>
+// CHECK:         <dict>
+// CHECK:          <key>line</key><integer>14</integer>
+// CHECK:          <key>col</key><integer>14</integer>
+// CHECK:          <key>file</key><integer>0</integer>
+// CHECK:         </dict>
+// CHECK:        </array>
+// CHECK:      </array>
+// CHECK:      <key>extended_message</key>
+// CHECK:      <string>Division by zero</string>
+// CHECK:      <key>message</key>
+// CHECK: <string>Division by zero</string>
+// CHECK:     </dict>
+// CHECK:    </array>
+// CHECK:    <key>description</key><string>Division by zero</string>
+// CHECK:    <key>category</key><string>Logic error</string>
+// CHECK:    <key>type</key><string>Division by zero</string>
+// CHECK:   <key>location</key>
+// CHECK:   <dict>
+// CHECK:    <key>line</key><integer>14</integer>
+// CHECK:    <key>col</key><integer>12</integer>
+// CHECK:    <key>file</key><integer>0</integer>
+// CHECK:   </dict>
+// CHECK:   </dict>
+// CHECK:  </array>
+// CHECK: </dict>
+// CHECK: </plist>
+