+/* Apple extensions. */
+DW_AT (DW_AT_APPLE_optimized, 0x3fe1)
+DW_AT (DW_AT_APPLE_flags, 0x3fe2)
+DW_AT (DW_AT_APPLE_isa, 0x3fe3)
+DW_AT (DW_AT_APPLE_block, 0x3fe4)
+DW_AT (DW_AT_APPLE_major_runtime_vers, 0x3fe5)
+DW_AT (DW_AT_APPLE_runtime_class, 0x3fe6)
+DW_AT (DW_AT_APPLE_omit_frame_ptr, 0x3fe7)
+DW_AT (DW_AT_APPLE_property_name, 0x3fe8)
+DW_AT (DW_AT_APPLE_property_getter, 0x3fe9)
+DW_AT (DW_AT_APPLE_property_setter, 0x3fea)
+DW_AT (DW_AT_APPLE_property_attribute, 0x3feb)
+DW_AT (DW_AT_APPLE_objc_complete_type, 0x3fec)
+DW_AT (DW_AT_APPLE_property, 0x3fed)