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      1 // Copyright 2017 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 package main
      6 
      7 import (
      8 	"runtime"
      9 	"sync"
     10 )
     11 
     12 func init() {
     13 	register("PanicRace", PanicRace)
     14 }
     15 
     16 func PanicRace() {
     17 	var wg sync.WaitGroup
     18 	wg.Add(1)
     19 	go func() {
     20 		defer func() {
     21 			wg.Done()
     22 			runtime.Gosched()
     23 		}()
     24 		panic("crash")
     25 	}()
     26 	wg.Wait()
     27 }
     28