Add EmitKeyedStore and EmitKeyedPropertyAssignment to x64. Removal of Refere...

src/x64/codegen-x64.h

Index: src/x64/codegen-x64.h
===================================================================
--- src/x64/codegen-x64.h	(revision 5108)
+++ src/x64/codegen-x64.h	(working copy)
@@ -457,6 +457,7 @@
   // Support for compiling assignment expressions.
   void EmitSlotAssignment(Assignment* node);
   void EmitNamedPropertyAssignment(Assignment* node);
+  void EmitKeyedPropertyAssignment(Assignment* node);
 
   // Receiver is passed on the frame and not consumed.
   Result EmitNamedLoad(Handle<String> name, bool is_contextual);
@@ -470,6 +471,9 @@
   // not changed.
   Result EmitKeyedLoad();
 
+  // Receiver, key, and value are passed on the frame and consumed.
+  Result EmitKeyedStore(StaticType* key_type);
+
   // Special code for typeof expressions: Unfortunately, we must
   // be careful when loading the expression in 'typeof'
   // expressions. We are not allowed to throw reference errors for