Array.prototype.sort: Unchecked calls to hasOwnProperty and push and sort

src/macros.py

Index: src/macros.py
diff --git a/src/macros.py b/src/macros.py
index 48a425045c8b3d539bea8bc6eebadd38ab6b713c..65c11615209cb2953213ef8560b6940fcfdd2065 100644
--- a/src/macros.py
+++ b/src/macros.py
@@ -166,6 +166,7 @@ macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString
 macro TO_NUMBER_INLINE(arg) = (IS_NUMBER(%IS_VAR(arg)) ? arg : NonNumberToNumber(arg));
 macro TO_OBJECT_INLINE(arg) = (IS_SPEC_OBJECT(%IS_VAR(arg)) ? arg : ToObject(arg));
 macro JSON_NUMBER_TO_STRING(arg) = ((%_IsSmi(%IS_VAR(arg)) || arg - arg == 0) ? %_NumberToString(arg) : "null");
+macro HAS_OWN_PROPERTY(obj, index) = (%_CallFunction(obj, index, ObjectHasOwnProperty));
 
 # Private names.
 # GET_PRIVATE should only be used if the property is known to exists on obj