diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index 357f555a396..404455dc0d3 100644
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -130,6 +130,7 @@ enum dwarf_constants {
   DW_TAG_GNU_template_parameter_pack = 0x4107,
   DW_TAG_GNU_formal_parameter_pack = 0x4108,
   DW_TAG_lo_user = 0x4080,
+  DW_TAG_APPLE_Property = 0x4200,
   DW_TAG_hi_user = 0xffff,
 
   // Children flag
@@ -269,6 +270,7 @@ enum dwarf_constants {
   DW_AT_APPLE_property_setter = 0x3fea,
   DW_AT_APPLE_property_attribute = 0x3feb,
   DW_AT_APPLE_objc_complete_type = 0x3fec,
+  DW_AT_APPLE_property = 0x3fed,
 
   // Attribute form encodings
   DW_FORM_addr = 0x01,
diff --git a/lib/Support/Dwarf.cpp b/lib/Support/Dwarf.cpp
index 95a9550f966..b317e4927d1 100644
--- a/lib/Support/Dwarf.cpp
+++ b/lib/Support/Dwarf.cpp
@@ -95,6 +95,7 @@ const char *llvm::dwarf::TagString(unsigned Tag) {
     return "DW_TAG_GNU_template_parameter_pack";
   case DW_TAG_GNU_formal_parameter_pack:
     return "DW_TAG_GNU_formal_parameter_pack";
+  case DW_TAG_APPLE_Property:            return "DW_TAG_APPLE_property";
   }
   return 0;
 }
@@ -245,6 +246,7 @@ const char *llvm::dwarf::AttributeString(unsigned Attribute) {
   case DW_AT_APPLE_property_getter:      return "DW_AT_APPLE_property_getter";
   case DW_AT_APPLE_property_setter:      return "DW_AT_APPLE_property_setter";
   case DW_AT_APPLE_property_attribute:   return "DW_AT_APPLE_property_attribute";
+  case DW_AT_APPLE_property:             return "DW_AT_APPLE_property";
   case DW_AT_APPLE_objc_complete_type:   return "DW_AT_APPLE_objc_complete_type";
   }
   return 0;