NewGC: Merge bleeding edge up to 9009.

src/hydrogen.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 856 matching lines @@
   // Helpers for flow graph construction.
   enum GlobalPropertyAccess {
     kUseCell,
     kUseGeneric
   };
   GlobalPropertyAccess LookupGlobalProperty(Variable* var,
                                             LookupResult* lookup,
                                             bool is_store);
 
   bool TryArgumentsAccess(Property* expr);
+
+  // Try to optimize fun.apply(receiver, arguments) pattern.
   bool TryCallApply(Call* expr);
+
   bool TryInline(Call* expr);
   bool TryInlineBuiltinFunction(Call* expr,
                                 HValue* receiver,
                                 Handle<Map> receiver_map,
                                 CheckType check_type);
 
   // If --trace-inlining, print a line of the inlining trace.  Inlining
   // succeeded if the reason string is NULL and failed if there is a
   // non-NULL reason string.
   void TraceInline(Handle<JSFunction> target,
                    Handle<JSFunction> caller,
                    const char* failure_reason);
 
   void HandleGlobalVariableAssignment(Variable* var,
                                       HValue* value,
                                       int position,
                                       int ast_id);
 
   void HandlePropertyAssignment(Assignment* expr);
   void HandleCompoundAssignment(Assignment* expr);
   void HandlePolymorphicStoreNamedField(Assignment* expr,
                                         HValue* object,
                                         HValue* value,
-                                        ZoneMapList* types,
+                                        SmallMapList* types,
                                         Handle<String> name);
   void HandlePolymorphicCallNamed(Call* expr,
                                   HValue* receiver,
-                                  ZoneMapList* types,
+                                  SmallMapList* types,
                                   Handle<String> name);
   void HandleLiteralCompareTypeof(CompareOperation* compare_expr,
                                   Expression* expr,
                                   Handle<String> check);
   void HandleLiteralCompareUndefined(CompareOperation* compare_expr,
                                      Expression* expr);
 
   HStringCharCodeAt* BuildStringCharCodeAt(HValue* context,
                                            HValue* string,
                                            HValue* index);
@@ skipping 310 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_