From 368c7d6cda2f38865c018d86809b22cff04517dc Mon Sep 17 00:00:00 2001
From: visualfc <visualfc@gmail.com>
Date: Thu, 13 Feb 2025 10:15:58 +0800
Subject: [PATCH] runtime/internal/lib/reflect: fix TypeOf check closure

---
 runtime/internal/lib/reflect/type.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/runtime/internal/lib/reflect/type.go b/runtime/internal/lib/reflect/type.go
index 060c28dd..ea59bfaa 100644
--- a/runtime/internal/lib/reflect/type.go
+++ b/runtime/internal/lib/reflect/type.go
@@ -811,7 +811,11 @@ func (t *structType) FieldByName(name string) (f StructField, present bool) {
 // If i is a nil interface value, TypeOf returns nil.
 func TypeOf(i any) Type {
 	eface := *(*emptyInterface)(unsafe.Pointer(&i))
-	// closure type
+	// check nil
+	if eface.typ == nil {
+		return nil
+	}
+	// check closure type
 	if eface.typ.IsClosure() {
 		ft := eface.typ.StructType().Fields[0].Typ.FuncType()
 		return toType(&ft.Type)