Reland [heap] Avoid the use of cells to point from code to new-space objects.

src/x87/assembler-x87-inl.h

Index: src/x87/assembler-x87-inl.h
diff --git a/src/x87/assembler-x87-inl.h b/src/x87/assembler-x87-inl.h
index ba2a86405e1d963fc029a229e5e0e0689ebf0bf2..779feeb90749464fd9e97acf7af4d8e5845c9855 100644
--- a/src/x87/assembler-x87-inl.h
+++ b/src/x87/assembler-x87-inl.h
@@ -140,6 +140,7 @@ void RelocInfo::set_target_object(Object* target,
       target->IsHeapObject()) {
     host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
         host(), this, HeapObject::cast(target));
+    host()->GetHeap()->RecordWriteIntoCode(host(), this, target);
   }
 }