From a847edd6c8a81a9dc5cfef7acd39553f3ed48cee Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Thu, 24 Oct 2024 03:47:11 -0300
Subject: [PATCH] cgen: fix anon fn with `&` prefix (fix #22628) (#22638)

---
 vlib/v/gen/c/fn.v                        |  5 +++++
 vlib/v/tests/fns/anon_with_prefix_test.v | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 vlib/v/tests/fns/anon_with_prefix_test.v

diff --git a/vlib/v/gen/c/fn.v b/vlib/v/gen/c/fn.v
index 5571022369..040c8e46ac 100644
--- a/vlib/v/gen/c/fn.v
+++ b/vlib/v/gen/c/fn.v
@@ -593,6 +593,11 @@ fn (mut g Gen) closure_ctx(node ast.FnDecl) string {
 }
 
 fn (mut g Gen) gen_anon_fn(mut node ast.AnonFn) {
+	is_amp := g.is_amp
+	g.is_amp = false
+	defer {
+		g.is_amp = is_amp
+	}
 	g.gen_anon_fn_decl(mut node)
 	fn_name := g.gen_closure_fn_name(node)
 	if !node.decl.scope.has_inherited_vars() {
diff --git a/vlib/v/tests/fns/anon_with_prefix_test.v b/vlib/v/tests/fns/anon_with_prefix_test.v
new file mode 100644
index 0000000000..e7070ef7eb
--- /dev/null
+++ b/vlib/v/tests/fns/anon_with_prefix_test.v
@@ -0,0 +1,19 @@
+module main
+
+struct TestA {
+	aa int
+}
+
+fn test_main() {
+	func := &fn () int {
+		arr := []TestA{}
+		return arr.len
+	}
+	assert func() == 0
+
+	func2 := &fn () int {
+		arr := []TestA{}
+		return arr.len
+	}
+	assert func2() == 0
+}