src: do not crash if there is not MAttributeDef in AAttrPropdef (abstract attribute)

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

diff --git a/src/interpreter/naive_interpreter.nit b/src/interpreter/naive_interpreter.nit
index 47b02cd..dd61428 100644 (file)
--- a/src/interpreter/naive_interpreter.nit
+++ b/src/interpreter/naive_interpreter.nit
@@ -1166,7 +1166,9 @@ redef class AAttrPropdef
                        evaluate_expr(v, recv)
                        return
                end
-               var mtype = self.mpropdef.static_mtype.as(not null)
+               var mpropdef = self.mpropdef
+               if mpropdef == null then return
+               var mtype = mpropdef.static_mtype.as(not null)
                mtype = mtype.anchor_to(v.mainmodule, recv.mtype.as(MClassType))
                if mtype isa MNullableType then
                        v.write_attribute(self.mpropdef.mproperty, recv, v.null_instance)