Implementation of strict mode in SetElement.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index c69e96f7c74a26a4fab685aa3b0092d161765cf9..965a083a8d97335f31c02292e31f76cf6533c027 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -1478,7 +1478,8 @@ static MaybeObject* Runtime_InitializeConstContextSlot(Arguments args) {
       // The holder is an arguments object.
       ASSERT((attributes & READ_ONLY) == 0);
       Handle<JSObject> arguments(Handle<JSObject>::cast(holder));
-      RETURN_IF_EMPTY_HANDLE(SetElement(arguments, index, value, kNonStrictMode));
+      RETURN_IF_EMPTY_HANDLE(
+          SetElement(arguments, index, value, kNonStrictMode));
     }
     return *value;
   }