scope: refuse `&x` where x is a local variable

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/semantize/scope.nit b/src/semantize/scope.nit
index 3374951..2f8a1bf 100644 (file)
--- a/src/semantize/scope.nit
+++ b/src/semantize/scope.nit
@@ -482,7 +482,7 @@ redef class ACallFormExpr
                        var variable = v.search_variable(name)
                        if variable != null then
                                var n: AExpr
-                               if not n_args.n_exprs.is_empty or n_args isa AParExprs then
+                               if not n_args.n_exprs.is_empty or n_args isa AParExprs or self isa ACallrefExpr then
                                        v.error(self, "Error: `{name}` is a variable, not a method.")
                                        return
                                end