Make X64 implementation update Store ic stubs. Remove comment that talks abo...

src/x64/stub-cache-x64.cc

Index: src/x64/stub-cache-x64.cc
===================================================================
--- src/x64/stub-cache-x64.cc	(revision 2535)
+++ src/x64/stub-cache-x64.cc	(working copy)
@@ -422,8 +422,8 @@
 Object* StoreStubCompiler::CompileStoreCallback(JSObject* a,
                                                 AccessorInfo* b,
                                                 String* c) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }
 
 
@@ -463,16 +463,16 @@
 
 
 Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* a, String* b) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }
 
 
 Object* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object,
                                               JSGlobalPropertyCell* cell,
                                               String* name) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }