Index: clang/include/clang/AST/ASTContext.h
===================================================================
--- clang/include/clang/AST/ASTContext.h
+++ clang/include/clang/AST/ASTContext.h
@@ -3210,7 +3210,6 @@
 
   public:
     ObjCEncOptions() : Bits(0) {}
-    ObjCEncOptions(const ObjCEncOptions &RHS) : Bits(RHS.Bits) {}
 
 #define OPT_LIST(V)                                                            \
   V(ExpandPointedToStructures, 0)                                              \
Index: clang/include/clang/Analysis/Analyses/Consumed.h
===================================================================
--- clang/include/clang/Analysis/Analyses/Consumed.h
+++ clang/include/clang/Analysis/Analyses/Consumed.h
@@ -155,6 +155,8 @@
     ConsumedStateMap(const ConsumedStateMap &Other)
         : Reachable(Other.Reachable), From(Other.From), VarMap(Other.VarMap) {}
 
+    ConsumedStateMap &operator=(const ConsumedStateMap &) = delete;
+
     /// Warn if any of the parameters being tracked are not in the state
     /// they were declared to be in upon return from a function.
     void checkParamsForReturnTypestate(SourceLocation BlameLoc,
Index: clang/include/clang/Analysis/Analyses/ThreadSafetyTIL.h
===================================================================
--- clang/include/clang/Analysis/Analyses/ThreadSafetyTIL.h
+++ clang/include/clang/Analysis/Analyses/ThreadSafetyTIL.h
@@ -565,6 +565,7 @@
 public:
   LiteralT(T Dat) : Literal(ValueType::getValueType<T>()), Val(Dat) {}
   LiteralT(const LiteralT<T> &L) : Literal(L), Val(L.Val) {}
+  LiteralT &operator=(const LiteralT<T> &) = delete;
 
   T value() const { return Val;}
   T& value() { return Val; }
Index: clang/include/clang/Analysis/Analyses/ThreadSafetyUtil.h
===================================================================
--- clang/include/clang/Analysis/Analyses/ThreadSafetyUtil.h
+++ clang/include/clang/Analysis/Analyses/ThreadSafetyUtil.h
@@ -240,6 +240,7 @@
 
     VectorData() = default;
     VectorData(const VectorData &VD) : Vect(VD.Vect) {}
+    VectorData &operator=(const VectorData &) = delete;
   };
 
 public:
Index: clang/include/clang/Rewrite/Core/RewriteRope.h
===================================================================
--- clang/include/clang/Rewrite/Core/RewriteRope.h
+++ clang/include/clang/Rewrite/Core/RewriteRope.h
@@ -181,6 +181,8 @@
   RewriteRope() = default;
   RewriteRope(const RewriteRope &RHS) : Chunks(RHS.Chunks) {}
 
+  RewriteRope &operator=(const RewriteRope &) = delete;
+
   using iterator = RopePieceBTree::iterator;
   using const_iterator = RopePieceBTree::iterator;
 
Index: clang/include/clang/Sema/Sema.h
===================================================================
--- clang/include/clang/Sema/Sema.h
+++ clang/include/clang/Sema/Sema.h
@@ -1787,6 +1787,7 @@
                           const FunctionDecl *Fn, Sema &S);
     SemaDiagnosticBuilder(SemaDiagnosticBuilder &&D);
     SemaDiagnosticBuilder(const SemaDiagnosticBuilder &) = default;
+    SemaDiagnosticBuilder &operator=(const SemaDiagnosticBuilder &) = delete;
     ~SemaDiagnosticBuilder();
 
     bool isImmediate() const { return ImmediateDiag.has_value(); }
Index: clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
===================================================================
--- clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
+++ clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
@@ -51,6 +51,7 @@
   BugReporterVisitor() = default;
   BugReporterVisitor(const BugReporterVisitor &) = default;
   BugReporterVisitor(BugReporterVisitor &&) {}
+  BugReporterVisitor &operator=(const BugReporterVisitor &) = delete;
   virtual ~BugReporterVisitor();
 
   /// Return a diagnostic piece which should be associated with the
Index: clang/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
===================================================================
--- clang/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
+++ clang/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
@@ -670,7 +670,9 @@
 public:
   SymbolVisitor() = default;
   SymbolVisitor(const SymbolVisitor &) = default;
+  SymbolVisitor &operator=(const SymbolVisitor &) = delete;
   SymbolVisitor(SymbolVisitor &&) {}
+  SymbolVisitor &operator=(SymbolVisitor &&) = delete;
 
   /// A visitor method invoked by ProgramStateManager::scanReachableSymbols.
   ///
Index: clang/lib/CodeGen/CGDebugInfo.h
===================================================================
--- clang/lib/CodeGen/CGDebugInfo.h
+++ clang/lib/CodeGen/CGDebugInfo.h
@@ -829,7 +829,12 @@
   ApplyDebugLocation(ApplyDebugLocation &&Other) : CGF(Other.CGF) {
     Other.CGF = nullptr;
   }
-  ApplyDebugLocation &operator=(ApplyDebugLocation &&) = default;
+
+  ApplyDebugLocation &operator=(ApplyDebugLocation &&Other) {
+    CGF = Other.CGF;
+    Other.CGF = nullptr;
+    return *this;
+  }
 
   ~ApplyDebugLocation();
 
Index: clang/lib/CodeGen/EHScopeStack.h
===================================================================
--- clang/lib/CodeGen/EHScopeStack.h
+++ clang/lib/CodeGen/EHScopeStack.h
@@ -148,6 +148,7 @@
   public:
     Cleanup(const Cleanup &) = default;
     Cleanup(Cleanup &&) {}
+    Cleanup &operator=(const Cleanup &) = delete;
     Cleanup() = default;
 
     virtual bool isRedundantBeforeReturn() { return false; }