From c10e468d017435ea4bb1ba7a1640b93e6f2608fd Mon Sep 17 00:00:00 2001
From: bysir <61535029+zbysir@users.noreply.github.com>
Date: Sat, 1 Jul 2023 18:58:05 +0800
Subject: [PATCH] interp: fix fieldName method parsing embedded + generic
 fields

Fix https://github.com/traefik/yaegi/issues/1571
---
 _test/issue-1571.go | 20 ++++++++++++++++++++
 interp/type.go      |  2 ++
 2 files changed, 22 insertions(+)
 create mode 100644 _test/issue-1571.go

diff --git a/_test/issue-1571.go b/_test/issue-1571.go
new file mode 100644
index 00000000..aa295ad6
--- /dev/null
+++ b/_test/issue-1571.go
@@ -0,0 +1,20 @@
+package main
+
+type A struct {
+	*B[string]
+}
+
+type B[T any] struct {
+	data T
+}
+
+func main() {
+	_ = &A{
+		B: &B[string]{},
+	}
+
+	println("PASS")
+}
+
+// Output:
+// PASS
diff --git a/interp/type.go b/interp/type.go
index 6c493b31..81cf5203 100644
--- a/interp/type.go
+++ b/interp/type.go
@@ -1230,6 +1230,8 @@ func fieldName(n *node) string {
 		return fieldName(n.child[1])
 	case starExpr:
 		return fieldName(n.child[0])
+	case indexExpr:
+		return fieldName(n.child[0])
 	case identExpr:
 		return n.ident
 	default: