go source for verification 2026-05-22

test/fixedbugs/issue59378.go

@@ -0,0 +1,26 @@
+// compile
+
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package p
+
+func f() {
+	F([]int{}, func(*int) bool { return true })
+}
+
+func F[S []E, E any](a S, fn func(*E) bool) {
+	for _, v := range a {
+		G(a, func(e E) bool { return fn(&v) })
+	}
+}
+
+func G[E any](s []E, f func(E) bool) int {
+	for i, v := range s {
+		if f(v) {
+			return i
+		}
+	}
+	return -1
+}