github.com/zebozhuang/go@v0.0.0-20200207033046-f8a98f6f5c5d/test/fixedbugs/issue7550.go (about)

     1  // run
     2  
     3  // Copyright 2014 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  package main
     8  
     9  func shouldPanic(f func()) {
    10          defer func() {
    11                  if recover() == nil {
    12                          panic("not panicking")
    13                  }
    14          }()
    15          f()
    16  }
    17  
    18  func f() {
    19          length := int(^uint(0) >> 1)
    20          a := make([]struct{}, length)
    21          b := make([]struct{}, length)
    22          _ = append(a, b...)
    23  }
    24  
    25  func main() {
    26  	shouldPanic(f)
    27  }