When checking against non-parametrized types use a cache to hold result tuples (class, result). Tha…

runtime/vm/code_patcher_x64.cc

Index: runtime/vm/code_patcher_x64.cc
===================================================================
--- runtime/vm/code_patcher_x64.cc	(revision 6277)
+++ runtime/vm/code_patcher_x64.cc	(working copy)
@@ -241,6 +241,19 @@
   return DartCallPattern::kCallPatternSize;
 }
 
+
+RawArray* CodePatcher::GetTypeTestArray(uword instruction_address) {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+void CodePatcher::SetTypeTestArray(uword instruction_address,
+                                   const Array& value) {
+  UNIMPLEMENTED();
+}
+
+
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64