mirror of
https://github.com/golang/go.git
synced 2026-02-07 02:09:55 +00:00
mkcallstmt1 already walks the map argument of clear. mapClear then walks it again, which can cause problems if it is some syntax that is non-idempotent under walk. That is the case for the new way map lookups are being lowered in CL 736020. Fixes #77435 Change-Id: Ib2f6d7f2270308c2462aa276ed4413aaf7799fe3 Reviewed-on: https://go-review.googlesource.com/c/go/+/742120 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com>
15 lines
371 B
Go
15 lines
371 B
Go
// 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])
|
|
}
|