Fix x64 build after r5970, the same way as for ARM.

TBR=fschneider@chromium.org

Review URL: http://codereview.chromium.org/5709005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5973 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/ic-x64.cc

@@ -1951,10 +1951,8 @@ Condition CompareIC::ComputeCondition(Token::Value op) {
 void CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) {
   HandleScope scope;
   Handle<Code> rewritten;
-#ifdef DEBUG
   State previous_state = GetState();
-#endif
-  State state = TargetState(x, y);
+  State state = TargetState(previous_state, x, y);
   if (state == GENERIC) {
     CompareStub stub(GetCondition(), strict(), NO_COMPARE_FLAGS);
     rewritten = stub.GetCode();
@@ -1974,6 +1972,10 @@ void CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) {
 #endif
 }
 
+void PatchInlinedSmiCode(Address address) {
+  UNIMPLEMENTED();
+}
+
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64