Correct type inference for cypclass new statements

Cython/Compiler/ExprNodes.py

@@ -5477,6 +5477,9 @@ class CallNode(ExprNode):
         func_type = function.infer_type(env)
         if isinstance(function, NewExprNode):
             # note: needs call to infer_type() above
+            if function.class_type.is_cyp_class:
+                return function.class_type
+            else:
                 return PyrexTypes.CPtrType(function.class_type)
         if func_type is py_object_type:
             # function might have lied for safety => try to find better type
@@ -5936,6 +5939,9 @@ class SimpleCallNode(CallNode):
 
         # Calc result type and code fragment
         if isinstance(self.function, NewExprNode):
+            if self.function.class_type.is_cyp_class:
+                self.type = self.function.class_type
+            else:
                 self.type = PyrexTypes.CPtrType(self.function.class_type)
         else:
             self.type = func_type.return_type