Index: include/clang/Analysis/CloneDetection.h
===================================================================
--- include/clang/Analysis/CloneDetection.h
+++ include/clang/Analysis/CloneDetection.h
@@ -318,6 +318,17 @@
   void constrain(std::vector<CloneDetector::CloneGroup> &Result);
 };
 
+struct AutoGeneratedCloneConstraint {
+  bool isAutoGenerated(const CloneDetector::CloneGroup &Group);
+
+  void constrain(std::vector<CloneDetector::CloneGroup> &CloneGroups) {
+    CloneConstraint::filterGroups(
+        CloneGroups, [this](const CloneDetector::CloneGroup &Group) {
+          return isAutoGenerated(Group);
+        });
+  }
+};
+
 /// Analyzes the pattern of the referenced variables in a statement.
 class VariablePattern {
 
Index: lib/Analysis/CloneDetection.cpp
===================================================================
--- lib/Analysis/CloneDetection.cpp
+++ lib/Analysis/CloneDetection.cpp
@@ -366,6 +366,25 @@
   }
 }
 
+bool AutoGeneratedCloneConstraint::isAutoGenerated(const CloneDetector::CloneGroup &Group) {
+  if (Group.empty())
+    return false;
+
+  for (const StmtSequence &S : Group) {
+    const Decl *D = S.getContainingDecl();
+    SourceLocation sLoc = D->getLocation();
+    const SourceManager &SM = D->getASTContext().getSourceManager();
+    FileID fileID = SM.getFileID(sLoc);
+    const FileEntry *fileEntry = SM.getFileEntryForID(fileID);
+    if (fileEntry && fileEntry->isValid()) {
+      if (std::string(fileEntry->getName()).find("moc_") == 0)
+        return true;
+    }
+  }
+
+  return false;
+}
+
 static size_t createHash(llvm::MD5 &Hash) {
   size_t HashCode;
 
Index: lib/StaticAnalyzer/Checkers/CloneChecker.cpp
===================================================================
--- lib/StaticAnalyzer/Checkers/CloneChecker.cpp
+++ lib/StaticAnalyzer/Checkers/CloneChecker.cpp
@@ -78,7 +78,8 @@
   // because reportSuspiciousClones() wants to search them for errors.
   std::vector<CloneDetector::CloneGroup> AllCloneGroups;
 
-  Detector.findClones(AllCloneGroups, RecursiveCloneTypeIIConstraint(),
+  Detector.findClones(AllCloneGroups, AutoGeneratedCloneConstraint(), 
+                      RecursiveCloneTypeIIConstraint(),
                       MinComplexityConstraint(MinComplexity),
                       MinGroupSizeConstraint(2), OnlyLargestCloneConstraint());