Index: include/clang-c/Index.h
===================================================================
--- include/clang-c/Index.h
+++ include/clang-c/Index.h
@@ -1331,7 +1331,12 @@
    *
    * The function bodies of the main file are not skipped.
    */
-  CXTranslationUnit_LimitSkipFunctionBodiesToPreamble = 0x800
+  CXTranslationUnit_LimitSkipFunctionBodiesToPreamble = 0x800,
+
+  /**
+   * Used to indicate that attributed types should be included in CXType.
+   */
+  CXTranslationUnit_IncludeAttributedTypes = 0x1000
 };
 
 /**
@@ -3268,7 +3273,8 @@
   CXType_OCLReserveID = 160,
 
   CXType_ObjCObject = 161,
-  CXType_ObjCTypeParam = 162
+  CXType_ObjCTypeParam = 162,
+  CXType_Attributed = 163
 };
 
 /**
@@ -3818,6 +3824,13 @@
 CINDEX_LINKAGE long long clang_Type_getOffsetOf(CXType T, const char *S);
 
 /**
+ * Return the type that was modified by this attributed type.
+ *
+ * If the type is not an attributed type, an invalid type is returned.
+ */
+CINDEX_LINKAGE CXType clang_Type_getModifiedType(CXType T);
+
+/**
  * Return the offset of the field represented by the Cursor.
  *
  * If the cursor is not a field declaration, -1 is returned.
Index: tools/libclang/CXType.cpp
===================================================================
--- tools/libclang/CXType.cpp
+++ tools/libclang/CXType.cpp
@@ -112,6 +112,7 @@
     TKCASE(Auto);
     TKCASE(Elaborated);
     TKCASE(Pipe);
+    TKCASE(Attributed);
     default:
       return CXType_Unexposed;
   }
@@ -125,7 +126,9 @@
   if (TU && !T.isNull()) {
     // Handle attributed types as the original type
     if (auto *ATT = T->getAs<AttributedType>()) {
-      return MakeCXType(ATT->getModifiedType(), TU);
+      if (!(TU->ParsingOptions & CXTranslationUnit_IncludeAttributedTypes)) {
+        return MakeCXType(ATT->getModifiedType(), TU);
+      }
     }
     // Handle paren types as the original type
     if (auto *PTT = T->getAs<ParenType>()) {
@@ -591,6 +594,7 @@
     TKIND(Auto);
     TKIND(Elaborated);
     TKIND(Pipe);
+    TKIND(Attributed);
 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) TKIND(Id);
 #include "clang/Basic/OpenCLImageTypes.def"
 #undef IMAGE_TYPE
@@ -996,6 +1000,17 @@
   return CXTypeLayoutError_InvalidFieldName;
 }
 
+CXType clang_Type_getModifiedType(CXType CT) {
+  QualType T = GetQualType(CT);
+  if (T.isNull())
+    return MakeCXType(QualType(), GetTU(CT));
+
+  if (auto *ATT = T->getAs<AttributedType>())
+    return MakeCXType(ATT->getModifiedType(), GetTU(CT));
+
+  return MakeCXType(QualType(), GetTU(CT));
+}
+
 long long clang_Cursor_getOffsetOfField(CXCursor C) {
   if (clang_isDeclaration(C.kind)) {
     // we need to validate the parent type
Index: tools/libclang/libclang.exports
===================================================================
--- tools/libclang/libclang.exports
+++ tools/libclang/libclang.exports
@@ -103,6 +103,7 @@
 clang_Type_getObjCProtocolDecl
 clang_Type_getNumObjCTypeArgs
 clang_Type_getObjCTypeArg
+clang_Type_getModifiedType
 clang_VerbatimBlockLineComment_getText
 clang_VerbatimLineComment_getText
 clang_HTMLTagComment_getAsString