Do not eagerly instantiate accessors' JSFunction.

src/runtime/runtime-debug.cc

Index: src/runtime/runtime-debug.cc
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc
index 18c59d98ca93edad88770ade1abee578f0054011..21043d1b941d664ae2eff629213d084c5de0508d 100644
--- a/src/runtime/runtime-debug.cc
+++ b/src/runtime/runtime-debug.cc
@@ -332,10 +332,14 @@ RUNTIME_FUNCTION(Runtime_DebugGetPropertyDetails) {
   details->set(
       2, isolate->heap()->ToBoolean(it.state() == LookupIterator::INTERCEPTOR));
   if (has_js_accessors) {
-    AccessorPair* accessors = AccessorPair::cast(*maybe_pair);
+    Handle<AccessorPair> accessors = Handle<AccessorPair>::cast(maybe_pair);
     details->set(3, isolate->heap()->ToBoolean(has_caught));
-    details->set(4, accessors->GetComponent(ACCESSOR_GETTER));
-    details->set(5, accessors->GetComponent(ACCESSOR_SETTER));
+    Handle<Object> getter =
+        AccessorPair::GetComponent(accessors, ACCESSOR_GETTER);
+    Handle<Object> setter =
+        AccessorPair::GetComponent(accessors, ACCESSOR_SETTER);
+    details->set(4, *getter);
+    details->set(5, *setter);
   }
 
   return *isolate->factory()->NewJSArrayWithElements(details);