Fix pc to code cache so it can cope with a pointer to the start of the code

src/objects-inl.h

Index: src/objects-inl.h
===================================================================
--- src/objects-inl.h	(revision 9328)
+++ src/objects-inl.h	(working copy)
@@ -3848,9 +3848,8 @@
 }
 
 
-bool Code::contains(byte* pc) {
-  return (instruction_start() <= pc) &&
-      (pc <= instruction_start() + instruction_size());
+bool Code::contains(byte* inner_pointer) {
+  return (address() <= inner_pointer) && (inner_pointer <= address() + Size());
 }