Index: include/clang/AST/CanonicalType.h
===================================================================
--- include/clang/AST/CanonicalType.h
+++ include/clang/AST/CanonicalType.h
@@ -510,7 +510,7 @@
   }
 
   LLVM_CLANG_CANPROXY_SIMPLE_ACCESSOR(bool, isVariadic)
-  LLVM_CLANG_CANPROXY_SIMPLE_ACCESSOR(Qualifiers, getTypeQuals)
+  LLVM_CLANG_CANPROXY_SIMPLE_ACCESSOR(Qualifiers, getMethodQuals)
 
   using param_type_iterator =
       CanTypeIterator<FunctionProtoType::param_type_iterator>;
Index: include/clang/AST/DeclCXX.h
===================================================================
--- include/clang/AST/DeclCXX.h
+++ include/clang/AST/DeclCXX.h
@@ -2185,8 +2185,8 @@
   static QualType getThisType(const FunctionProtoType *FPT,
                               const CXXRecordDecl *Decl);
 
-  Qualifiers getTypeQualifiers() const {
-    return getType()->getAs<FunctionProtoType>()->getTypeQuals();
+  Qualifiers getMethodQualifiers() const {
+    return getType()->getAs<FunctionProtoType>()->getMethodQuals();
   }
 
   /// Retrieve the ref-qualifier associated with this method.
Index: include/clang/AST/Type.h
===================================================================
--- include/clang/AST/Type.h
+++ include/clang/AST/Type.h
@@ -3902,7 +3902,7 @@
     EPI.Variadic = isVariadic();
     EPI.HasTrailingReturn = hasTrailingReturn();
     EPI.ExceptionSpec.Type = getExceptionSpecType();
-    EPI.TypeQuals = getTypeQuals();
+    EPI.TypeQuals = getMethodQuals();
     EPI.RefQualifier = getRefQualifier();
     if (EPI.ExceptionSpec.Type == EST_Dynamic) {
       EPI.ExceptionSpec.Exceptions = exceptions();
@@ -4012,7 +4012,7 @@
   /// Whether this function prototype has a trailing return type.
   bool hasTrailingReturn() const { return FunctionTypeBits.HasTrailingReturn; }
 
-  Qualifiers getTypeQuals() const {
+  Qualifiers getMethodQuals() const {
     if (hasExtQualifiers())
       return *getTrailingObjects<Qualifiers>();
     else
Index: lib/AST/ASTContext.cpp
===================================================================
--- lib/AST/ASTContext.cpp
+++ lib/AST/ASTContext.cpp
@@ -8581,7 +8581,7 @@
     if (lproto->isVariadic() != rproto->isVariadic())
       return {};
 
-    if (lproto->getTypeQuals() != rproto->getTypeQuals())
+    if (lproto->getMethodQuals() != rproto->getMethodQuals())
       return {};
 
     SmallVector<FunctionProtoType::ExtParameterInfo, 4> newParamInfos;
Index: lib/AST/ASTDumper.cpp
===================================================================
--- lib/AST/ASTDumper.cpp
+++ lib/AST/ASTDumper.cpp
@@ -202,8 +202,8 @@
       auto EPI = T->getExtProtoInfo();
       if (EPI.HasTrailingReturn) OS << " trailing_return";
 
-      if (!T->getTypeQuals().empty())
-        OS << " " << T->getTypeQuals().getAsString();
+      if (!T->getMethodQuals().empty())
+        OS << " " << T->getMethodQuals().getAsString();
 
       switch (EPI.RefQualifier) {
         case RQ_None: break;
Index: lib/AST/ASTStructuralEquivalence.cpp
===================================================================
--- lib/AST/ASTStructuralEquivalence.cpp
+++ lib/AST/ASTStructuralEquivalence.cpp
@@ -503,7 +503,7 @@
     if (Proto1->isVariadic() != Proto2->isVariadic())
       return false;
 
-    if (Proto1->getTypeQuals() != Proto2->getTypeQuals())
+    if (Proto1->getMethodQuals() != Proto2->getMethodQuals())
       return false;
 
     // Check exceptions, this information is lost in canonical type.
Index: lib/AST/DeclCXX.cpp
===================================================================
--- lib/AST/DeclCXX.cpp
+++ lib/AST/DeclCXX.cpp
@@ -2177,7 +2177,7 @@
                                     const CXXRecordDecl *Decl) {
   ASTContext &C = Decl->getASTContext();
   QualType ClassTy = C.getTypeDeclType(Decl);
-  ClassTy = C.getQualifiedType(ClassTy, FPT->getTypeQuals());
+  ClassTy = C.getQualifiedType(ClassTy, FPT->getMethodQuals());
   return C.getPointerType(ClassTy);
 }
 
Index: lib/AST/ItaniumMangle.cpp
===================================================================
--- lib/AST/ItaniumMangle.cpp
+++ lib/AST/ItaniumMangle.cpp
@@ -1503,7 +1503,7 @@
 
   Out << 'N';
   if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(ND)) {
-    Qualifiers MethodQuals = Method->getTypeQualifiers();
+    Qualifiers MethodQuals = Method->getMethodQualifiers();
     // We do not consider restrict a distinguishing attribute for overloading
     // purposes so we must not mangle it.
     MethodQuals.removeRestrict();
@@ -2735,7 +2735,7 @@
 
   // Mangle CV-qualifiers, if present.  These are 'this' qualifiers,
   // e.g. "const" in "int (A::*)() const".
-  mangleQualifiers(T->getTypeQuals());
+  mangleQualifiers(T->getMethodQuals());
 
   // Mangle instantiation-dependent exception-specification, if present,
   // per cxx-abi-dev proposal on 2016-10-11.
Index: lib/AST/MicrosoftMangle.cpp
===================================================================
--- lib/AST/MicrosoftMangle.cpp
+++ lib/AST/MicrosoftMangle.cpp
@@ -2112,7 +2112,7 @@
   // Structors only appear in decls, so at this point we know it's not a
   // structor type.
   // FIXME: This may not be lambda-friendly.
-  if (T->getTypeQuals() || T->getRefQualifier() != RQ_None) {
+  if (T->getMethodQuals() || T->getRefQualifier() != RQ_None) {
     Out << "$$A8@@";
     mangleFunctionType(T, /*D=*/nullptr, /*ForceThisQuals=*/true);
   } else {
@@ -2161,7 +2161,7 @@
   // If this is a C++ instance method, mangle the CVR qualifiers for the
   // this pointer.
   if (HasThisQuals) {
-    Qualifiers Quals = Proto->getTypeQuals();
+    Qualifiers Quals = Proto->getMethodQuals();
     manglePointerExtQualifiers(Quals, /*PointeeType=*/QualType());
     mangleRefQualifier(Proto->getRefQualifier());
     mangleQualifiers(Quals, /*IsMember=*/false);
Index: lib/AST/TypePrinter.cpp
===================================================================
--- lib/AST/TypePrinter.cpp
+++ lib/AST/TypePrinter.cpp
@@ -810,8 +810,8 @@
 
   printFunctionAfter(Info, OS);
 
-  if (!T->getTypeQuals().empty())
-    OS << " " << T->getTypeQuals().getAsString();
+  if (!T->getMethodQuals().empty())
+    OS << " " << T->getMethodQuals().getAsString();
 
   switch (T->getRefQualifier()) {
   case RQ_None:
Index: lib/AST/VTableBuilder.cpp
===================================================================
--- lib/AST/VTableBuilder.cpp
+++ lib/AST/VTableBuilder.cpp
@@ -480,7 +480,7 @@
   // Force the signatures to match.  We can't rely on the overrides
   // list here because there isn't necessarily an inheritance
   // relationship between the two methods.
-  if (LT->getTypeQuals() != RT->getTypeQuals())
+  if (LT->getMethodQuals() != RT->getMethodQuals())
     return false;
   return LT->getParamTypes() == RT->getParamTypes();
 }
Index: lib/CodeGen/CGCall.cpp
===================================================================
--- lib/CodeGen/CGCall.cpp
+++ lib/CodeGen/CGCall.cpp
@@ -74,7 +74,7 @@
                                const CXXMethodDecl *MD) {
   QualType RecTy = Context.getTagDeclType(RD)->getCanonicalTypeInternal();
   if (MD)
-    RecTy = Context.getAddrSpaceQualType(RecTy, MD->getTypeQualifiers().getAddressSpace());
+    RecTy = Context.getAddrSpaceQualType(RecTy, MD->getMethodQualifiers().getAddressSpace());
   return Context.getPointerType(CanQualType::CreateUnsafe(RecTy));
 }
 
Index: lib/Index/USRGeneration.cpp
===================================================================
--- lib/Index/USRGeneration.cpp
+++ lib/Index/USRGeneration.cpp
@@ -271,7 +271,7 @@
     if (MD->isStatic())
       Out << 'S';
     // FIXME: OpenCL: Need to consider address spaces
-    if (unsigned quals = MD->getTypeQualifiers().getCVRUQualifiers())
+    if (unsigned quals = MD->getMethodQualifiers().getCVRUQualifiers())
       Out << (char)('0' + quals);
     switch (MD->getRefQualifier()) {
     case RQ_None: break;
Index: lib/Parse/ParseCXXInlineMethods.cpp
===================================================================
--- lib/Parse/ParseCXXInlineMethods.cpp
+++ lib/Parse/ParseCXXInlineMethods.cpp
@@ -416,7 +416,7 @@
       Method = cast<CXXMethodDecl>(LM.Method);
 
     Sema::CXXThisScopeRAII ThisScope(Actions, Method->getParent(),
-                                     Method->getTypeQualifiers(),
+                                     Method->getMethodQualifiers(),
                                      getLangOpts().CPlusPlus11);
 
     // Parse the exception-specification.
Index: lib/Sema/SemaCodeComplete.cpp
===================================================================
--- lib/Sema/SemaCodeComplete.cpp
+++ lib/Sema/SemaCodeComplete.cpp
@@ -1028,7 +1028,7 @@
   if (HasObjectTypeQualifiers)
     if (const auto *Method = dyn_cast<CXXMethodDecl>(R.Declaration))
       if (Method->isInstance()) {
-        Qualifiers MethodQuals = Method->getTypeQualifiers();
+        Qualifiers MethodQuals = Method->getMethodQualifiers();
         if (ObjectTypeQualifiers == MethodQuals)
           R.Priority += CCD_ObjectQualifierMatch;
         else if (ObjectTypeQualifiers - MethodQuals) {
@@ -2736,23 +2736,23 @@
 AddFunctionTypeQualsToCompletionString(CodeCompletionBuilder &Result,
                                        const FunctionDecl *Function) {
   const auto *Proto = Function->getType()->getAs<FunctionProtoType>();
-  if (!Proto || !Proto->getTypeQuals())
+  if (!Proto || !Proto->getMethodQuals())
     return;
 
   // FIXME: Add ref-qualifier!
 
   // Handle single qualifiers without copying
-  if (Proto->getTypeQuals().hasOnlyConst()) {
+  if (Proto->getMethodQuals().hasOnlyConst()) {
     Result.AddInformativeChunk(" const");
     return;
   }
 
-  if (Proto->getTypeQuals().hasOnlyVolatile()) {
+  if (Proto->getMethodQuals().hasOnlyVolatile()) {
     Result.AddInformativeChunk(" volatile");
     return;
   }
 
-  if (Proto->getTypeQuals().hasOnlyRestrict()) {
+  if (Proto->getMethodQuals().hasOnlyRestrict()) {
     Result.AddInformativeChunk(" restrict");
     return;
   }
Index: lib/Sema/SemaDecl.cpp
===================================================================
--- lib/Sema/SemaDecl.cpp
+++ lib/Sema/SemaDecl.cpp
@@ -10016,7 +10016,7 @@
   CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(NewFD);
   if (!getLangOpts().CPlusPlus14 && MD && MD->isConstexpr() &&
       !MD->isStatic() && !isa<CXXConstructorDecl>(MD) &&
-      !MD->getTypeQualifiers().hasConst()) {
+      !MD->getMethodQualifiers().hasConst()) {
     CXXMethodDecl *OldMD = nullptr;
     if (OldDecl)
       OldMD = dyn_cast_or_null<CXXMethodDecl>(OldDecl->getAsFunction());
Index: lib/Sema/SemaDeclCXX.cpp
===================================================================
--- lib/Sema/SemaDeclCXX.cpp
+++ lib/Sema/SemaDeclCXX.cpp
@@ -6553,7 +6553,7 @@
     ReturnType = Type->getReturnType();
 
     QualType DeclType = Context.getTypeDeclType(RD);
-    DeclType = Context.getAddrSpaceQualType(DeclType, MD->getTypeQualifiers().getAddressSpace());
+    DeclType = Context.getAddrSpaceQualType(DeclType, MD->getMethodQualifiers().getAddressSpace());
     QualType ExpectedReturnType = Context.getLValueReferenceType(DeclType);
 
     if (!Context.hasSameType(ReturnType, ExpectedReturnType)) {
@@ -6563,7 +6563,7 @@
     }
 
     // A defaulted special member cannot have cv-qualifiers.
-    if (Type->getTypeQuals().hasConst() || Type->getTypeQuals().hasVolatile()) {
+    if (Type->getMethodQuals().hasConst() || Type->getMethodQuals().hasVolatile()) {
       if (DeleteOnTypeMismatch)
         ShouldDeleteForTypeMismatch = true;
       else {
@@ -12009,7 +12009,7 @@
     DerefBuilder DerefThis(This);
     CastBuilder To(DerefThis,
                    Context.getQualifiedType(
-                       BaseType, CopyAssignOperator->getTypeQualifiers()),
+                       BaseType, CopyAssignOperator->getMethodQualifiers()),
                    VK_LValue, BasePath);
 
     // Build the copy.
@@ -12374,7 +12374,7 @@
     // Implicitly cast "this" to the appropriately-qualified base type.
     CastBuilder To(DerefThis,
                    Context.getQualifiedType(
-                       BaseType, MoveAssignOperator->getTypeQualifiers()),
+                       BaseType, MoveAssignOperator->getMethodQualifiers()),
                    VK_LValue, BasePath);
 
     // Build the move.
Index: lib/Sema/SemaOverload.cpp
===================================================================
--- lib/Sema/SemaOverload.cpp
+++ lib/Sema/SemaOverload.cpp
@@ -1172,8 +1172,8 @@
     // function yet (because we haven't yet resolved whether this is a static
     // or non-static member function). Add it now, on the assumption that this
     // is a redeclaration of OldMethod.
-    auto OldQuals = OldMethod->getTypeQualifiers();
-    auto NewQuals = NewMethod->getTypeQualifiers();
+    auto OldQuals = OldMethod->getMethodQualifiers();
+    auto NewQuals = NewMethod->getMethodQualifiers();
     if (!getLangOpts().CPlusPlus14 && NewMethod->isConstexpr() &&
         !isa<CXXConstructorDecl>(NewMethod))
       NewQuals.addConst();
@@ -2545,7 +2545,7 @@
     // function types are obviously different.
     if (FromFunctionType->getNumParams() != ToFunctionType->getNumParams() ||
         FromFunctionType->isVariadic() != ToFunctionType->isVariadic() ||
-        FromFunctionType->getTypeQuals() != ToFunctionType->getTypeQuals())
+        FromFunctionType->getMethodQuals() != ToFunctionType->getMethodQuals())
       return false;
 
     bool HasObjCConversion = false;
@@ -2852,9 +2852,9 @@
     return;
   }
 
-  if (FromFunction->getTypeQuals() != ToFunction->getTypeQuals()) {
-    PDiag << ft_qualifer_mismatch << ToFunction->getTypeQuals()
-          << FromFunction->getTypeQuals();
+  if (FromFunction->getMethodQuals() != ToFunction->getMethodQuals()) {
+    PDiag << ft_qualifer_mismatch << ToFunction->getMethodQuals()
+          << FromFunction->getMethodQuals();
     return;
   }
 
@@ -5098,7 +5098,7 @@
     Quals.addConst();
     Quals.addVolatile();
   } else {
-    Quals = Method->getTypeQualifiers();
+    Quals = Method->getMethodQualifiers();
   }
 
   QualType ImplicitParamType = S.Context.getQualifiedType(ClassType, Quals);
@@ -7955,7 +7955,7 @@
         continue;
 
       if (const FunctionProtoType *Proto =PointeeTy->getAs<FunctionProtoType>())
-        if (Proto->getTypeQuals() || Proto->getRefQualifier())
+        if (Proto->getMethodQuals() || Proto->getRefQualifier())
           continue;
 
       S.AddBuiltinCandidate(&ParamTy, Args, CandidateSet);
@@ -12878,7 +12878,7 @@
 
     // Check that the object type isn't more qualified than the
     // member function we're calling.
-    Qualifiers funcQuals = proto->getTypeQuals();
+    Qualifiers funcQuals = proto->getMethodQuals();
 
     QualType objectType = op->getLHS()->getType();
     if (op->getOpcode() == BO_PtrMemI)
Index: lib/Sema/SemaTemplateDeduction.cpp
===================================================================
--- lib/Sema/SemaTemplateDeduction.cpp
+++ lib/Sema/SemaTemplateDeduction.cpp
@@ -1671,8 +1671,8 @@
       const FunctionProtoType *FunctionProtoParam =
         cast<FunctionProtoType>(Param);
 
-      if (FunctionProtoParam->getTypeQuals()
-            != FunctionProtoArg->getTypeQuals() ||
+      if (FunctionProtoParam->getMethodQuals()
+            != FunctionProtoArg->getMethodQuals() ||
           FunctionProtoParam->getRefQualifier()
             != FunctionProtoArg->getRefQualifier() ||
           FunctionProtoParam->isVariadic() != FunctionProtoArg->isVariadic())
@@ -3082,7 +3082,7 @@
     CXXRecordDecl *ThisContext = nullptr;
     if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(Function)) {
       ThisContext = Method->getParent();
-      ThisTypeQuals = Method->getTypeQualifiers();
+      ThisTypeQuals = Method->getMethodQualifiers();
     }
 
     CXXThisScopeRAII ThisScope(*this, ThisContext, ThisTypeQuals,
@@ -4661,7 +4661,7 @@
   // The standard doesn't say explicitly, but we pick the appropriate kind of
   // reference type based on [over.match.funcs]p4.
   QualType ArgTy = Context.getTypeDeclType(Method->getParent());
-  ArgTy = Context.getQualifiedType(ArgTy, Method->getTypeQualifiers());
+  ArgTy = Context.getQualifiedType(ArgTy, Method->getMethodQualifiers());
   if (Method->getRefQualifier() == RQ_RValue)
     ArgTy = Context.getRValueReferenceType(ArgTy);
   else
Index: lib/Sema/SemaTemplateInstantiateDecl.cpp
===================================================================
--- lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3506,7 +3506,7 @@
   Qualifiers ThisTypeQuals;
   if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D)) {
     ThisContext = cast<CXXRecordDecl>(Owner);
-    ThisTypeQuals = Method->getTypeQualifiers();
+    ThisTypeQuals = Method->getMethodQualifiers();
   }
 
   TypeSourceInfo *NewTInfo
Index: lib/Sema/SemaType.cpp
===================================================================
--- lib/Sema/SemaType.cpp
+++ lib/Sema/SemaType.cpp
@@ -1868,7 +1868,7 @@
 }
 
 static std::string getFunctionQualifiersAsString(const FunctionProtoType *FnTy){
-  std::string Quals = FnTy->getTypeQuals().getAsString();
+  std::string Quals = FnTy->getMethodQuals().getAsString();
 
   switch (FnTy->getRefQualifier()) {
   case RQ_None:
@@ -1910,7 +1910,7 @@
                                    QualifiedFunctionKind QFK) {
   // Does T refer to a function type with a cv-qualifier or a ref-qualifier?
   const FunctionProtoType *FPT = T->getAs<FunctionProtoType>();
-  if (!FPT || (FPT->getTypeQuals().empty() && FPT->getRefQualifier() == RQ_None))
+  if (!FPT || (FPT->getMethodQuals().empty() && FPT->getRefQualifier() == RQ_None))
     return false;
 
   S.Diag(Loc, diag::err_compound_qualified_function_type)
@@ -3963,7 +3963,7 @@
 
   // Does T refer to a function type with a cv-qualifier or a ref-qualifier?
   bool IsQualifiedFunction = T->isFunctionProtoType() &&
-      (!T->castAs<FunctionProtoType>()->getTypeQuals().empty() ||
+      (!T->castAs<FunctionProtoType>()->getMethodQuals().empty() ||
        T->castAs<FunctionProtoType>()->getRefQualifier() != RQ_None);
 
   // If T is 'decltype(auto)', the only declarators we can have are parens
Index: lib/Serialization/ASTWriter.cpp
===================================================================
--- lib/Serialization/ASTWriter.cpp
+++ lib/Serialization/ASTWriter.cpp
@@ -310,7 +310,7 @@
 
   Record.push_back(T->isVariadic());
   Record.push_back(T->hasTrailingReturn());
-  Record.push_back(T->getTypeQuals().getAsOpaqueValue());
+  Record.push_back(T->getMethodQuals().getAsOpaqueValue());
   Record.push_back(static_cast<unsigned>(T->getRefQualifier()));
   addExceptionSpec(T, Record);
 
@@ -323,7 +323,7 @@
       Record.push_back(T->getExtParameterInfo(I).getOpaqueValue());
   }
 
-  if (T->isVariadic() || T->hasTrailingReturn() || T->getTypeQuals() ||
+  if (T->isVariadic() || T->hasTrailingReturn() || T->getMethodQuals() ||
       T->getRefQualifier() || T->getExceptionSpecType() != EST_None ||
       T->hasExtParameterInfos())
     AbbrevToUse = 0;
Index: tools/libclang/CIndex.cpp
===================================================================
--- tools/libclang/CIndex.cpp
+++ tools/libclang/CIndex.cpp
@@ -8361,7 +8361,7 @@
   const Decl *D = cxcursor::getCursorDecl(C);
   const CXXMethodDecl *Method =
       D ? dyn_cast_or_null<CXXMethodDecl>(D->getAsFunction()) : nullptr;
-  return (Method && Method->getTypeQualifiers().hasConst()) ? 1 : 0;
+  return (Method && Method->getMethodQualifiers().hasConst()) ? 1 : 0;
 }
 
 unsigned clang_CXXMethod_isDefaulted(CXCursor C) {