1 // run 2 3 // Copyright 2016 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 // This checks partially initialized structure literals 8 // used to create value.method functions have their 9 // non-initialized fields properly zeroed/nil'd 10 11 package main 12 13 type X struct { 14 A, B, C *int 15 } 16 17 //go:noinline 18 func (t X) Print() { 19 if t.B != nil { 20 panic("t.B must be nil") 21 } 22 } 23 24 //go:noinline 25 func caller(f func()) { 26 f() 27 } 28 29 //go:noinline 30 func test() { 31 var i, j int 32 x := X{A: &i, C: &j} 33 caller(func() { X{A: &i, C: &j}.Print() }) 34 caller(X{A: &i, C: &j}.Print) 35 caller(x.Print) 36 } 37 38 func main() { 39 test() 40 } 41
