From 7083f3f32c075a174faeec6a1e17326c48a3c259 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Wed, 11 Mar 2026 13:44:15 +0300
Subject: [PATCH] cgen: generic function pointer returns wrong output (fixes
 #21499)

---
 .../generic_ref_arg_struct_init_value_test.v    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 vlib/v/tests/pointers/generic_ref_arg_struct_init_value_test.v

diff --git a/vlib/v/tests/pointers/generic_ref_arg_struct_init_value_test.v b/vlib/v/tests/pointers/generic_ref_arg_struct_init_value_test.v
new file mode 100644
index 000000000..eb5d81b4c
--- /dev/null
+++ b/vlib/v/tests/pointers/generic_ref_arg_struct_init_value_test.v
@@ -0,0 +1,17 @@
+module main
+
+struct Issue21499Wrapper {
+	a int
+}
+
+fn issue21499_wrap[T](a &T) Issue21499Wrapper {
+	$if T is int {
+		return Issue21499Wrapper{a}
+	}
+	return Issue21499Wrapper{}
+}
+
+fn test_generic_ref_arg_struct_init_is_auto_dereferenced() {
+	a := 123
+	assert issue21499_wrap(a).a == 123
+}
-- 
2.39.5