1 // run 2 3 // Copyright 2017 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 // Issue 19246: Failed to evaluate some zero-sized values 8 // when converting them to interfaces. 9 10 package main 11 12 import "os" 13 14 type B struct{} 15 16 //go:noinline 17 func f(i interface{}) {} 18 19 func main() { 20 defer func() { 21 if recover() == nil { 22 println("expected nil pointer dereference panic") 23 os.Exit(1) 24 } 25 }() 26 var b *B 27 f(*b) 28 } 29
