Fix x64 build.

TBR=whesse@chromium.org,lrn@chromium.org
Review URL: http://codereview.chromium.org/118310

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2114 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/codegen-x64.cc

@@ -34,6 +34,14 @@
 namespace v8 {
 namespace internal {
 
+// -------------------------------------------------------------------------
+// Platform-specific DeferredCode functions.
+
+void DeferredCode::SaveRegisters() { UNIMPLEMENTED(); }
+
+void DeferredCode::RestoreRegisters() { UNIMPLEMENTED(); }
+
+
 CodeGenerator::CodeGenerator(int buffer_size,
                              Handle<Script> script,
                              bool is_eval)