X87: Serializer: serialize internal references via object visitor.

src/x87/assembler-x87.h

Index: src/x87/assembler-x87.h
diff --git a/src/x87/assembler-x87.h b/src/x87/assembler-x87.h
index 2fb46e1e6d43aec1cc380e15d2209e36f656fff7..ee2edcaa7d9b726043df4556921470bf14d92f42 100644
--- a/src/x87/assembler-x87.h
+++ b/src/x87/assembler-x87.h
@@ -530,6 +530,11 @@ class Assembler : public AssemblerBase {
     set_target_address_at(instruction_payload, code, target);
   }
 
+  // This sets the internal reference at the pc.
+  inline static void deserialization_set_target_internal_reference_at(
+      Address pc, Address target,
+      RelocInfo::Mode mode = RelocInfo::INTERNAL_REFERENCE);
+
   static const int kSpecialTargetSize = kPointerSize;
 
   // Distance between the address of the code target in the call instruction