fix trait expansion

+ Accidentally referenced an owned string, add strdup()

+ Didn't replace type IDs in ->t2

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/trait_expand.ek b/tests/trait_expand.ek
index eca1e16..2d9f90d 100644
--- a/tests/trait_expand.ek
+++ b/tests/trait_expand.ek
@@ -5,3 +5,15 @@ define b[] {
 define a[] {
 	a(*a a);
 }
+
+typedef c {
+	b![];
+
+	a(*c) {}
+}
+
+main()
+{
+	c c;
+	c.a();
+}