ES6 unicode extensions, part 1.

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index 22c0f5c142c918cc45043fc1b11efb6f4a46488d..b6fba5e8b5b538ec3181dabead0692d9dc3d27c4 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -805,6 +805,7 @@ Parser::Parser(CompilationInfo* info, ParseInfo* parse_info)
   set_allow_harmony_object_literals(FLAG_harmony_object_literals);
   set_allow_harmony_templates(FLAG_harmony_templates);
   set_allow_harmony_sloppy(FLAG_harmony_sloppy);
+  set_allow_harmony_unicode(FLAG_harmony_unicode);
   for (int feature = 0; feature < v8::Isolate::kUseCounterFeatureCount;
        ++feature) {
     use_counts_[feature] = 0;
@@ -3982,6 +3983,7 @@ PreParser::PreParseResult Parser::ParseLazyFunctionBodyWithPreParser(
         allow_harmony_object_literals());
     reusable_preparser_->set_allow_harmony_templates(allow_harmony_templates());
     reusable_preparser_->set_allow_harmony_sloppy(allow_harmony_sloppy());
+    reusable_preparser_->set_allow_harmony_unicode(allow_harmony_unicode());
   }
   PreParser::PreParseResult result =
       reusable_preparser_->PreParseLazyFunction(strict_mode(),