From: fennecdjay <fennecdjay@gmail.com>
Date: Thu, 15 Dec 2022 13:41:17 +0000 (+0100)
Subject: :art: no refs in union
X-Git-Tag: nightly~207^2~39
X-Git-Url: http://10.10.0.4:5575/?a=commitdiff_plain;h=b76a473c0e958e1abf4329a3ac923dd8d83fd752;p=gwion.git

:art: no refs in union
---

diff --git a/src/parse/scan1.c b/src/parse/scan1.c
index 449f5a65..eda5c7ea 100644
--- a/src/parse/scan1.c
+++ b/src/parse/scan1.c
@@ -476,6 +476,8 @@ ANN static inline m_bool scan1_union_def_inner_loop(const Env env,
     DECL_OB(const Type, t, = known_type(env, um->td));
     if (nspc_lookup_value0(env->curr, um->vd.xid))
       ERR_B(um->vd.pos, _("'%s' already declared in union"), s_name(um->vd.xid))
+    if(tflag(t, tflag_ref))
+      ERR_B(um->vd.pos, _("can't declare ref type in union"));
     const Value v = new_value(env, t, s_name(um->vd.xid), um->vd.pos);
     tuple_contains(env, v);
     valuefrom(env, v->from);
diff --git a/tests/union/union_ref.gw b/tests/union/union_ref.gw
new file mode 100644
index 00000000..c560ebdc
--- /dev/null
+++ b/tests/union/union_ref.gw
@@ -0,0 +1,3 @@
+union U {
+  &int i;
+}