[es6] Ship rest parameters.

src/preparser.h

Index: src/preparser.h
diff --git a/src/preparser.h b/src/preparser.h
index e9e0f4bfb8b620ef0872c356d07ce0ffa4edb432..50dbcf1a46310b5bbed950705c2438dec70caae8 100644
--- a/src/preparser.h
+++ b/src/preparser.h
@@ -113,7 +113,7 @@ class ParserBase : public Traits {
         allow_harmony_sloppy_let_(false),
         allow_harmony_rest_parameters_(false),
         allow_harmony_default_parameters_(false),
-        allow_harmony_spreadcalls_(false),
+        allow_harmony_spread_calls_(false),
         allow_harmony_destructuring_(false),
         allow_harmony_spread_arrays_(false),
         allow_harmony_new_target_(false),
@@ -132,7 +132,7 @@ class ParserBase : public Traits {
   ALLOW_ACCESSORS(harmony_sloppy_let);
   ALLOW_ACCESSORS(harmony_rest_parameters);
   ALLOW_ACCESSORS(harmony_default_parameters);
-  ALLOW_ACCESSORS(harmony_spreadcalls);
+  ALLOW_ACCESSORS(harmony_spread_calls);
   ALLOW_ACCESSORS(harmony_destructuring);
   ALLOW_ACCESSORS(harmony_spread_arrays);
   ALLOW_ACCESSORS(harmony_new_target);
@@ -833,7 +833,7 @@ class ParserBase : public Traits {
   bool allow_harmony_sloppy_let_;
   bool allow_harmony_rest_parameters_;
   bool allow_harmony_default_parameters_;
-  bool allow_harmony_spreadcalls_;
+  bool allow_harmony_spread_calls_;
   bool allow_harmony_destructuring_;
   bool allow_harmony_spread_arrays_;
   bool allow_harmony_new_target_;
@@ -2835,7 +2835,8 @@ typename Traits::Type::ExpressionList ParserBase<Traits>::ParseArguments(
   bool was_unspread = false;
   int unspread_sequences_count = 0;
   while (!done) {
-    bool is_spread = allow_harmony_spreadcalls() && (peek() == Token::ELLIPSIS);
+    bool is_spread =
+        allow_harmony_spread_calls() && (peek() == Token::ELLIPSIS);
     int start_pos = peek_position();
     if (is_spread) Consume(Token::ELLIPSIS);