Index: cfe/trunk/lib/StaticAnalyzer/Checkers/MisusedMovedObjectChecker.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Checkers/MisusedMovedObjectChecker.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Checkers/MisusedMovedObjectChecker.cpp
@@ -60,6 +60,7 @@
                   const char *NL, const char *Sep) const override;
 
 private:
+  enum MisuseKind {MK_FunCall, MK_Copy, MK_Move};
   class MovedBugVisitor : public BugReporterVisitorImpl<MovedBugVisitor> {
   public:
     MovedBugVisitor(const MemRegion *R) : Region(R), Found(false) {}
@@ -83,7 +84,7 @@
 
   mutable std::unique_ptr<BugType> BT;
   ExplodedNode *reportBug(const MemRegion *Region, const CallEvent &Call,
-                          CheckerContext &C, bool isCopy) const;
+                          CheckerContext &C, MisuseKind MK) const;
   bool isInMoveSafeContext(const LocationContext *LC) const;
   bool isStateResetMethod(const CXXMethodDecl *MethodDec) const;
   bool isMoveSafeMethod(const CXXMethodDecl *MethodDec) const;
@@ -179,7 +180,7 @@
 ExplodedNode *MisusedMovedObjectChecker::reportBug(const MemRegion *Region,
                                                    const CallEvent &Call,
                                                    CheckerContext &C,
-                                                   bool isCopy = false) const {
+                                                   MisuseKind MK) const {
   if (ExplodedNode *N = C.generateNonFatalErrorNode()) {
     if (!BT)
       BT.reset(new BugType(this, "Usage of a 'moved-from' object",
@@ -195,10 +196,17 @@
 
     // Creating the error message.
     std::string ErrorMessage;
-    if (isCopy)
-      ErrorMessage = "Copying a 'moved-from' object";
-    else
-      ErrorMessage = "Method call on a 'moved-from' object";
+    switch(MK) {
+      case MK_FunCall:
+        ErrorMessage = "Method call on a 'moved-from' object";
+        break;
+      case MK_Copy:
+        ErrorMessage = "Copying a 'moved-from' object";
+        break;
+      case MK_Move:
+        ErrorMessage = "Moving a 'moved-from' object";
+        break;
+    }
     if (const auto DecReg = Region->getAs<DeclRegion>()) {
       const auto *RegionDecl = dyn_cast<NamedDecl>(DecReg->getDecl());
       ErrorMessage += " '" + RegionDecl->getNameAsString() + "'";
@@ -365,7 +373,10 @@
       const RegionState *ArgState = State->get<TrackedRegionMap>(ArgRegion);
       if (ArgState && ArgState->isMoved()) {
         if (!isInMoveSafeContext(LC)) {
-          N = reportBug(ArgRegion, Call, C, /*isCopy=*/true);
+          if(CtorDec->isMoveConstructor())
+            N = reportBug(ArgRegion, Call, C, MK_Move);
+          else
+            N = reportBug(ArgRegion, Call, C, MK_Copy);
           State = State->set<TrackedRegionMap>(ArgRegion,
                                                RegionState::getReported());
         }
@@ -405,7 +416,10 @@
           State->get<TrackedRegionMap>(IC->getArgSVal(0).getAsRegion());
       if (ArgState && ArgState->isMoved() && !isInMoveSafeContext(LC)) {
         const MemRegion *ArgRegion = IC->getArgSVal(0).getAsRegion();
-        N = reportBug(ArgRegion, Call, C, /*isCopy=*/true);
+        if(MethodDecl->isMoveAssignmentOperator())
+          N = reportBug(ArgRegion, Call, C, MK_Move);
+        else
+          N = reportBug(ArgRegion, Call, C, MK_Copy);
         State =
             State->set<TrackedRegionMap>(ArgRegion, RegionState::getReported());
       }
@@ -443,7 +457,7 @@
   if (isInMoveSafeContext(LC))
     return;
 
-  N = reportBug(ThisRegion, Call, C);
+  N = reportBug(ThisRegion, Call, C, MK_FunCall);
   State = State->set<TrackedRegionMap>(ThisRegion, RegionState::getReported());
   C.addTransition(State, N);
 }
Index: cfe/trunk/test/Analysis/MisusedMovedObject.cpp
===================================================================
--- cfe/trunk/test/Analysis/MisusedMovedObject.cpp
+++ cfe/trunk/test/Analysis/MisusedMovedObject.cpp
@@ -38,6 +38,7 @@
   B() = default;
   B(const B &) = default;
   B(B &&) = default;
+  B& operator=(const B &q) = default;
   void operator=(B &&b) {
     return;
   }
@@ -70,6 +71,12 @@
   A(A &&other, char *k) {
     moveconstruct(std::move(other));
   }
+  void operator=(const A &other) {
+    i = other.i;
+    d = other.d;
+    b = other.b;
+    return;
+  }
   void operator=(A &&other) {
     moveconstruct(std::move(other));
     return;
@@ -105,17 +112,42 @@
 }
 
 void simpleMoveCtorTest() {
-  A a;
-  A b;
-  b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
-  a.foo();          // expected-warning {{Method call on a 'moved-from' object 'a'}} expected-note {{Method call on a 'moved-from' object 'a'}}
+  {
+    A a;
+    A b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
+    a.foo();            // expected-warning {{Method call on a 'moved-from' object 'a'}} expected-note {{Method call on a 'moved-from' object 'a'}}
+  }
+  {
+    A a;
+    A b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
+    b = a;              // expected-warning {{Copying a 'moved-from' object 'a'}} expected-note {{Copying a 'moved-from' object 'a'}}
+  }
+  {
+    A a;
+    A b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
+    b = std::move(a);   // expected-warning {{Moving a 'moved-from' object 'a'}} expected-note {{Moving a 'moved-from' object 'a'}}
+  }
 }
 
 void simpleMoveAssignementTest() {
-  A a;
-  A b;
-  b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
-  a.foo();          // expected-warning {{Method call on a 'moved-from' object 'a'}} expected-note {{Method call on a 'moved-from' object 'a'}}
+  {
+    A a;
+    A b;
+    b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
+    a.foo();          // expected-warning {{Method call on a 'moved-from' object 'a'}} expected-note {{Method call on a 'moved-from' object 'a'}}
+  }
+  {
+    A a;
+    A b;
+    b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
+    A c(a);           // expected-warning {{Copying a 'moved-from' object 'a'}} expected-note {{Copying a 'moved-from' object 'a'}}
+  }
+  {
+    A a;
+    A b;
+    b = std::move(a);  // expected-note {{'a' became 'moved-from' here}}
+    A c(std::move(a)); // expected-warning {{Moving a 'moved-from' object 'a'}} expected-note {{Moving a 'moved-from' object 'a'}}
+  }
 }
 
 void moveInInitListTest() {
@@ -270,7 +302,7 @@
   {
     A a;
     for (int i = 0; i < bignum(); i++) { // expected-note {{Loop condition is true.  Entering loop body}} expected-note {{Loop condition is true.  Entering loop body}}
-      constCopyOrMoveCall(std::move(a)); // expected-warning {{Copying a 'moved-from' object 'a'}} expected-note {{Copying a 'moved-from' object 'a'}}
+      constCopyOrMoveCall(std::move(a)); // expected-warning {{Moving a 'moved-from' object 'a'}} expected-note {{Moving a 'moved-from' object 'a'}}
       // expected-note@-1 {{'a' became 'moved-from' here}}
     }
   }
@@ -447,7 +479,7 @@
   // Same thing, but with a switch statement.
   {
     A a, b;
-    switch (i) { // expected-note {{Control jumps to 'case 1:'  at line 451}}
+    switch (i) { // expected-note {{Control jumps to 'case 1:'  at line 483}}
     case 1:
       b = std::move(a); // no-warning
       break;            // expected-note {{Execution jumps to the end of the function}}
@@ -459,7 +491,7 @@
   // However, if there's a fallthrough, we do warn.
   {
     A a, b;
-    switch (i) { // expected-note {{Control jumps to 'case 1:'  at line 463}}
+    switch (i) { // expected-note {{Control jumps to 'case 1:'  at line 495}}
     case 1:
       b = std::move(a); // expected-note {{'a' became 'moved-from' here}}
     case 2: