Bump number of allowed variables per scope to 65535, to address GWT.

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index 1ab7a141be72b526f2a7433e22009050357210a5..93dd03a63b201d986e8d9c09cdc6342653619daf 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -454,7 +454,7 @@ class Parser {
   // construct a hashable id, so if more than 2^17 are allowed, this
   // should be checked.
   static const int kMaxNumFunctionParameters = 32766;
-  static const int kMaxNumFunctionLocals = 32767;
+  static const int kMaxNumFunctionLocals = 65535;
 
   enum Mode {
     PARSE_LAZILY,