[Isolates] Merge r 6300:6500 from bleeding_edge to isolates.

src/ast.h

Index: src/ast.h
===================================================================
--- src/ast.h	(revision 6955)
+++ src/ast.h	(working copy)
@@ -1211,9 +1211,10 @@
         key_(key),
         pos_(pos),
         type_(type),
+        receiver_types_(NULL),
         is_monomorphic_(false),
-        receiver_types_(NULL),
         is_array_length_(false),
+        is_string_length_(false),
         is_function_prototype_(false),
         is_arguments_access_(false) { }
 
@@ -1227,6 +1228,7 @@
   int position() const { return pos_; }
   bool is_synthetic() const { return type_ == SYNTHETIC; }
 
+  bool IsStringLength() const { return is_string_length_; }
   bool IsFunctionPrototype() const { return is_function_prototype_; }
 
   // Marks that this is actually an argument rewritten to a keyed property
@@ -1251,11 +1253,12 @@
   int pos_;
   Type type_;
 
-  bool is_monomorphic_;
   ZoneMapList* receiver_types_;
-  bool is_array_length_;
-  bool is_function_prototype_;
-  bool is_arguments_access_;
+  bool is_monomorphic_ : 1;
+  bool is_array_length_ : 1;
+  bool is_string_length_ : 1;
+  bool is_function_prototype_ : 1;
+  bool is_arguments_access_ : 1;
   Handle<Map> monomorphic_receiver_type_;
 };
 
@@ -1700,7 +1703,8 @@
                   int start_position,
                   int end_position,
                   bool is_expression,
-                  bool contains_loops)
+                  bool contains_loops,
+                  bool strict_mode)
       : name_(name),
         scope_(scope),
         body_(body),
@@ -1714,6 +1718,7 @@
         end_position_(end_position),
         is_expression_(is_expression),
         contains_loops_(contains_loops),
+        strict_mode_(strict_mode),
         function_token_position_(RelocInfo::kNoPosition),
         inferred_name_(HEAP->empty_string()),
         try_full_codegen_(false),
@@ -1730,6 +1735,7 @@
   int end_position() const { return end_position_; }
   bool is_expression() const { return is_expression_; }
   bool contains_loops() const { return contains_loops_; }
+  bool strict_mode() const { return strict_mode_; }
 
   int materialized_literal_count() { return materialized_literal_count_; }
   int expected_property_count() { return expected_property_count_; }
@@ -1742,7 +1748,6 @@
   int num_parameters() { return num_parameters_; }
 
   bool AllowsLazyCompilation();
-  bool AllowOptimize();
 
   Handle<String> debug_name() const {
     if (name_->length() > 0) return name_;
@@ -1773,6 +1778,7 @@
   int end_position_;
   bool is_expression_;
   bool contains_loops_;
+  bool strict_mode_;
   int function_token_position_;
   Handle<String> inferred_name_;
   bool try_full_codegen_;