Factor out common code from platform-specific deoptimization. Fix Deoptimizer not to need to partit…

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 88ac91ce47deebf244879ec5963926c538408fd4..a1c1d83450a8f024d8404f94c76c14fe3b1aa5f8 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5239,15 +5239,22 @@ void Code::set_stub_info(int value) {
 }
 
 
-void Code::set_deoptimizing_functions(Object* value) {
+Object* Code::code_to_deoptimize_link() {
+  // Optimized code should not have type feedback.
+  ASSERT(kind() == OPTIMIZED_FUNCTION);
+  return READ_FIELD(this, kTypeFeedbackInfoOffset);
+}
+
+
+void Code::set_code_to_deoptimize_link(Object* value) {
   ASSERT(kind() == OPTIMIZED_FUNCTION);
   WRITE_FIELD(this, kTypeFeedbackInfoOffset, value);
 }
 
 
-Object* Code::deoptimizing_functions() {
+Object** Code::code_to_deoptimize_link_slot() {
   ASSERT(kind() == OPTIMIZED_FUNCTION);
-  return Object::cast(READ_FIELD(this, kTypeFeedbackInfoOffset));
+  return HeapObject::RawField(this, kTypeFeedbackInfoOffset);
 }