Change code contains function to allow a return address just after the last instruction

src/objects-inl.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2918 matching lines @@
 }
 
 
 byte* Code::entry() {
   return instruction_start();
 }
 
 
 bool Code::contains(byte* pc) {
   return (instruction_start() <= pc) &&
-      (pc < instruction_start() + instruction_size());
+      (pc <= instruction_start() + instruction_size());
 }
 
 
 ACCESSORS(JSArray, length, Object, kLengthOffset)
 
 
 ACCESSORS(JSRegExp, data, Object, kDataOffset)
 
 
 JSRegExp::Type JSRegExp::TypeTag() {
@@ skipping 516 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_