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..81a85d37134055a97652645137050b484cd5e4f0 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->factory()->species_protector()->value();

[Camillo Bruni, 2016/05/03 08:05:53]

could you make this return a bool?
returning the protector value directly is quite confusing in the tests below.

[Dan Ehrenberg, 2016/05/04 00:18:50]

Done

+}
+
+
 }  // namespace internal
 }  // namespace v8