getset.__get__ add default arg

src/runtime/types.cpp

@@ -3843,8 +3843,10 @@ void setupRuntime() {
     attrwrapperiter_cls = BoxedClass::create(type_cls, object_cls, &AttrWrapperIter::gcHandler, 0, 0,
                                              sizeof(AttrWrapperIter), false, "attrwrapperiter");
 
-    pyston_getset_cls->giveAttr("__get__", new BoxedFunction(FunctionMetadata::create((void*)getsetGet, UNKNOWN, 3)));
-    capi_getset_cls->giveAttr("__get__", new BoxedFunction(FunctionMetadata::create((void*)getsetGet, UNKNOWN, 3)));
+    pyston_getset_cls->giveAttr("__get__",
+                                new BoxedFunction(FunctionMetadata::create((void*)getsetGet, UNKNOWN, 3), { None }));
+    capi_getset_cls->giveAttr("__get__",
+                              new BoxedFunction(FunctionMetadata::create((void*)getsetGet, UNKNOWN, 3), { None }));
     pyston_getset_cls->giveAttr("__set__", new BoxedFunction(FunctionMetadata::create((void*)getsetSet, UNKNOWN, 3)));
     capi_getset_cls->giveAttr("__set__", new BoxedFunction(FunctionMetadata::create((void*)getsetSet, UNKNOWN, 3)));
     pyston_getset_cls->giveAttr("__delete__",

test/tests/descriptors_double.py

@@ -117,3 +117,7 @@ print type(f.at) # should not call __get__
 f.at = 12 # should not call __set__, should print nothing
 #TODO uncomment this:
 #print f.__dict__['at']
+
+
+# test if we support getset.__get__ with default args
+print type(5).__dict__["real"].__get__(42)