nitc/engines: do not initialize optional attributes on the allocation

[nit.git] / src / interpreter / naive_interpreter.nit

diff --git a/src/interpreter/naive_interpreter.nit b/src/interpreter/naive_interpreter.nit
index 99f2356..539fb89 100644 (file)
--- a/src/interpreter/naive_interpreter.nit
+++ b/src/interpreter/naive_interpreter.nit
@@ -1514,7 +1514,7 @@ redef class AAttrPropdef
        # Evaluate and set the default value of the attribute in `recv`
        private fun init_expr(v: NaiveInterpreter, recv: Instance)
        do
-               if is_lazy then return
+               if is_lazy or is_optional then return
                if has_value then
                        var f = v.new_frame(self, mreadpropdef.as(not null), [recv])
                        evaluate_expr(v, recv, f)