RegExp bitmap test for word character.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index a736fb13f3ca9d301b5e499bd6c3aefcfcfe8aba..f9a61555afc84b5e942064311900204414a62f29 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -674,6 +674,10 @@ ExternalReference ExternalReference::re_case_insensitive_compare_uc16() {
       FUNCTION_ADDR(NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16)));
 }
 
+ExternalReference ExternalReference::re_word_character_map() {
+  return ExternalReference(
+      NativeRegExpMacroAssembler::word_character_map_address());
+}
 
 ExternalReference ExternalReference::address_of_static_offsets_vector() {
   return ExternalReference(OffsetsVector::static_offsets_vector_address());