| // run | |
| // Copyright 2024 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 main | |
| func main() { | |
| mustPanic(func() { | |
| f1(1) | |
| }) | |
| f2(1, 0) // must not panic | |
| mustPanic(func() { | |
| f2(1, 2) | |
| }) | |
| } | |
| var v []func() | |
| //go:noinline | |
| func f1(i int) { | |
| v = make([]func(), -2|i) | |
| } | |
| //go:noinline | |
| func f2(i, j int) { | |
| if j > 0 { | |
| v = make([]func(), -2|i) | |
| } | |
| } | |
| func mustPanic(f func()) { | |
| defer func() { | |
| r := recover() | |
| if r == nil { | |
| panic("didn't panic") | |
| } | |
| }() | |
| f() | |
| } |