// compile // Copyright 2026 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. // Issue 77435: compiler crash on clear of map resulting // from a map lookup (or some other syntax that is // non-idempotent during walk). package p func f(s map[int]map[int]int) { clear(s[0]) }