Serializer: correctly deal with internal references.

src/ia32/assembler-ia32-inl.h

Index: src/ia32/assembler-ia32-inl.h
diff --git a/src/ia32/assembler-ia32-inl.h b/src/ia32/assembler-ia32-inl.h
index c7ec6d9918c2d371fe9c5cec43e2c8a0522401be..521ab4fab4e9f367c91496ff75fff4129b2299d4 100644
--- a/src/ia32/assembler-ia32-inl.h
+++ b/src/ia32/assembler-ia32-inl.h
@@ -154,12 +154,24 @@ void RelocInfo::set_target_object(Object* target,
 }
 
 
-Address RelocInfo::target_reference() {
+Address RelocInfo::target_external_reference() {
   DCHECK(rmode_ == RelocInfo::EXTERNAL_REFERENCE);
   return Memory::Address_at(pc_);
 }
 
 
+Address RelocInfo::target_internal_reference() {
+  DCHECK(rmode_ == INTERNAL_REFERENCE);
+  return Memory::Address_at(pc_);
+}
+
+
+void RelocInfo::set_target_internal_reference(Address target) {
+  DCHECK(rmode_ == INTERNAL_REFERENCE);
+  Memory::Address_at(pc_) = target;
+}
+
+
 Address RelocInfo::target_runtime_entry(Assembler* origin) {
   DCHECK(IsRuntimeEntry(rmode_));
   return reinterpret_cast<Address>(*reinterpret_cast<int32_t*>(pc_));