Remove GC hazard (temporary handle object)

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 70f46c88bf18dd348f209df512efdb044881e687..d9dd12e1876967373184d057fe465647a141e2c2 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -9562,7 +9562,8 @@ static Handle<Object> NewSingleInterval(Isolate* isolate, uint32_t length) {
   Handle<FixedArray> single_interval = isolate->factory()->NewFixedArray(2);
   // -1 means start of array.
   single_interval->set(0, Smi::FromInt(-1));
-  single_interval->set(1, *isolate->factory()->NewNumberFromUint(length));
+  Handle<Object> number = isolate->factory()->NewNumberFromUint(length);
+  single_interval->set(1, *number);
   return isolate->factory()->NewJSArrayWithElements(single_interval);
 }