1 files changed, 27 insertions, 0 deletions
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index b1b2a911c22..aa5f6452759 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -883,6 +883,12 @@ public:
     return SemaRef.Context.getTypeDeclType(Typedef);
   }
 
+  /// Build a new MacroDefined type.
+  QualType RebuildMacroQualifiedType(QualType T,
+                                     const IdentifierInfo *MacroII) {
+    return SemaRef.Context.getMacroQualifiedType(T, MacroII);
+  }
+
   /// Build a new class/struct/union type.
   QualType RebuildRecordType(RecordDecl *Record) {
     return SemaRef.Context.getTypeDeclType(Record);
@@ -6193,6 +6199,27 @@ TreeTransform<Derived>::TransformParenType(TypeLocBuilder &TLB,
   return Result;
 }
 
+template <typename Derived>
+QualType
+TreeTransform<Derived>::TransformMacroQualifiedType(TypeLocBuilder &TLB,
+                                                    MacroQualifiedTypeLoc TL) {
+  QualType Inner = getDerived().TransformType(TLB, TL.getInnerLoc());
+  if (Inner.isNull())
+    return QualType();
+
+  QualType Result = TL.getType();
+  if (getDerived().AlwaysRebuild() || Inner != TL.getInnerLoc().getType()) {
+    Result =
+        getDerived().RebuildMacroQualifiedType(Inner, TL.getMacroIdentifier());
+    if (Result.isNull())
+      return QualType();
+  }
+
+  MacroQualifiedTypeLoc NewTL = TLB.push<MacroQualifiedTypeLoc>(Result);
+  NewTL.setExpansionLoc(TL.getExpansionLoc());
+  return Result;
+}
+
 template<typename Derived>
 QualType TreeTransform<Derived>::TransformDependentNameType(
     TypeLocBuilder &TLB, DependentNameTypeLoc TL) {