Home | History | Annotate | Download | only in fixedbugs 
      1 // run
      2 
      3 // Copyright 2013 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 import "runtime"
     10 
     11 type Closer interface {
     12 	Close()
     13 }
     14 
     15 func nilInterfaceDeferCall() {
     16 	defer func() {
     17 		// make sure a traceback happens with jmpdefer on the stack
     18 		runtime.GC()
     19 	}()
     20 	var x Closer
     21 	defer x.Close()
     22 }
     23 
     24 func shouldPanic(f func()) {
     25 	defer func() {
     26 		if recover() == nil {
     27 			panic("did not panic")
     28 		}
     29 	}()
     30 	f()
     31 }
     32 
     33 func main() {
     34 	shouldPanic(nilInterfaceDeferCall)
     35 }
     36