fix gcmole warning after r25737

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 4a7b200ff05fcda83e802f614cf035b44a6154ca..8362bcd913633ff5dcae96e4cec92b8cfa35c7e1 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -7022,9 +7022,10 @@ bool AccessorInfo::IsCompatibleReceiver(Object* receiver) {
 
 
 void ExecutableAccessorInfo::clear_setter() {
-  set_setter(*GetIsolate()->factory()->NewForeign(
+  auto foreign = GetIsolate()->factory()->NewForeign(
       reinterpret_cast<v8::internal::Address>(
-          reinterpret_cast<intptr_t>(nullptr))));
+          reinterpret_cast<intptr_t>(nullptr)));
+  set_setter(*foreign);
 }