Implement two-argument check inline cache.

vm/stub_code_x64.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/native_entry.h"
 #include "vm/stub_code.h"
 
@@ skipping 327 matching lines @@
                                                 const Function& func) {
   __ Unimplemented("AllocateClosure stub");
 }
 
 
 void StubCode::GenerateCallNoSuchMethodFunctionStub(Assembler* assembler) {
   __ Unimplemented("CallNoSuchMethodFunction stub");
 }
 
 
-void StubCode::GenerateInlineCacheStub(Assembler* assembler) {
-  __ Unimplemented("InlineCache stub");
+void StubCode::GenerateOneArgCheckInlineCacheStub(Assembler* assembler) {
+  __ Unimplemented("GenerateOneArgCheckInlineCacheStub stub");
+}
+
+
+void StubCode::GenerateTwoArgsCheckInlineCacheStub(Assembler* assembler) {
+  __ Unimplemented("GenerateTwoArgsCheckInlineCacheStub stub");
 }
 
 
 void StubCode::GenerateBreakpointStaticStub(Assembler* assembler) {
   __ Unimplemented("BreakpointStatic stub");
 }
 
 
 void StubCode::GenerateBreakpointDynamicStub(Assembler* assembler) {
   __ Unimplemented("BreakpointDynamic stub");
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64