move tp_new() utility code into ObjectHandling.c

Cython/Compiler/Optimize.py

@@ -2179,9 +2179,9 @@ class OptimizeBuiltinCalls(Visitor.MethodDispatcherTransform):
 
         return ExprNodes.PythonCapiCallNode(
             node.pos, "__Pyx_tp_new", self.Pyx_tp_new_func_type,
-            args = [type_arg],
-            utility_code = tpnew_utility_code,
-            is_temp = node.is_temp
+            args=[type_arg],
+            utility_code=UtilityCode.load_cached('tp_new', 'ObjectHandling.c'),
+            is_temp=node.is_temp
             )
 
     ### methods of builtin types
@@ -2905,16 +2905,6 @@ bytes_tailmatch_utility_code = UtilityCode.load_cached('bytes_tailmatch', 'Strin
 str_tailmatch_utility_code = UtilityCode.load_cached('str_tailmatch', 'StringTools.c')
 
 
-tpnew_utility_code = UtilityCode(
-proto = """
-static CYTHON_INLINE PyObject* __Pyx_tp_new(PyObject* type_obj) {
-    return (PyObject*) (((PyTypeObject*)(type_obj))->tp_new(
-        (PyTypeObject*)(type_obj), %(TUPLE)s, NULL));
-}
-""" % {'TUPLE' : Naming.empty_tuple}
-)
-
-
 class ConstantFolding(Visitor.VisitorTransform, SkipDeclarations):
     """Calculate the result of constant expressions to store it in
     ``expr_node.constant_result``, and replace trivial cases by their

Cython/Utility/ObjectHandling.c

@@ -650,3 +650,12 @@ bad:
     __Pyx_PyObject_CallMethodTuple(obj, name, PyTuple_Pack(1, arg1))
 #define __Pyx_PyObject_CallMethod0(obj, name) \
     __Pyx_PyObject_CallMethodTuple(obj, name, (Py_INCREF($empty_tuple), $empty_tuple))
+
+
+/////////////// tp_new.proto ///////////////
+//@substitute: naming
+
+static CYTHON_INLINE PyObject* __Pyx_tp_new(PyObject* type_obj) {
+    return (PyObject*) (((PyTypeObject*)(type_obj))->tp_new(
+        (PyTypeObject*)(type_obj), $empty_tuple, NULL));
+}