From effd64c980bbd55df4d356918047f23ff4e82d31 Mon Sep 17 00:00:00 2001
From: Marc Vertes <mvertes@free.fr>
Date: Tue, 24 Sep 2019 16:10:04 +0200
Subject: [PATCH] fix: handle forward declaration of alias type

---
 _test/alias1.go | 16 ++++++++++++++++
 interp/gta.go   |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 _test/alias1.go

diff --git a/_test/alias1.go b/_test/alias1.go
new file mode 100644
index 000000000..83f134263
--- /dev/null
+++ b/_test/alias1.go
@@ -0,0 +1,16 @@
+package main
+
+import "fmt"
+
+type MyT T
+
+type T struct {
+	Name string
+}
+
+func main() {
+	fmt.Println(MyT{})
+}
+
+// Output:
+// {}
diff --git a/interp/gta.go b/interp/gta.go
index aa75a4da8..8d3b5b251 100644
--- a/interp/gta.go
+++ b/interp/gta.go
@@ -165,7 +165,7 @@ func (interp *Interpreter) gta(root *node, rpath string) ([]*node, error) {
 				return false
 			}
 			if n.child[1].kind == identExpr {
-				n.typ = &itype{cat: aliasT, val: typ, name: typeName, path: rpath}
+				n.typ = &itype{cat: aliasT, val: typ, name: typeName, path: rpath, incomplete: typ.incomplete}
 			} else {
 				n.typ = typ
 				n.typ.name = typeName