Make array __proto__ manipulations not disturb the species protector

src/runtime/runtime-test.cc

Index: src/runtime/runtime-test.cc
diff --git a/src/runtime/runtime-test.cc b/src/runtime/runtime-test.cc
index ff0f472a934ac68a18e594eb2c31a96932ea96c9..345aa07c71fe2651abd8184779597adce54b42dd 100644
--- a/src/runtime/runtime-test.cc
+++ b/src/runtime/runtime-test.cc
@@ -527,5 +527,14 @@ ELEMENTS_KIND_CHECK_RUNTIME_FUNCTION(FastProperties)
 TYPED_ARRAYS(FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION)
 
 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION
+
+
+RUNTIME_FUNCTION(Runtime_SpeciesProtector) {
+  SealHandleScope shs(isolate);
+  DCHECK_EQ(0, args.length());
+  return isolate->heap()->ToBoolean(isolate->IsArraySpeciesLookupChainIntact());
+}
+
+
 }  // namespace internal
 }  // namespace v8