Return MaybeHandle from SetElement and DeleteElement.

src/ic.cc

Index: src/ic.cc
diff --git a/src/ic.cc b/src/ic.cc
index e8c453f2c02fafe9c02cf5a7d8b426c6882f4473..a00df8537c0724e5c1726d127f76641989809850 100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -1226,9 +1226,10 @@ MaybeObject* StoreIC::Store(Handle<Object> object,
   // Check if the given name is an array index.
   uint32_t index;
   if (name->AsArrayIndex(&index)) {
-    Handle<Object> result =
-        JSObject::SetElement(receiver, index, value, NONE, strict_mode());
-    RETURN_IF_EMPTY_HANDLE(isolate(), result);
+    Handle<Object> result;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate(), result,
+        JSObject::SetElement(receiver, index, value, NONE, strict_mode()));
     return *value;
   }