| // 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() |
| } |