File: issue18410.go

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (40 lines) | stat: -rw-r--r-- 686 bytes parent folder | download | duplicates (35)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
// run

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This checks partially initialized structure literals
// used to create value.method functions have their
// non-initialized fields properly zeroed/nil'd

package main

type X struct {
	A, B, C *int
}

//go:noinline
func (t X) Print() {
	if t.B != nil {
		panic("t.B must be nil")
	}
}

//go:noinline
func caller(f func()) {
	f()
}

//go:noinline
func test() {
	var i, j int
	x := X{A: &i, C: &j}
	caller(func() { X{A: &i, C: &j}.Print() })
	caller(X{A: &i, C: &j}.Print)
	caller(x.Print)
}

func main() {
	test()
}