mirror of
https://github.com/golang/go
synced 2024-11-14 15:00:27 -07:00
2ece2f58ee
Apply sed with: 1s,^// $G $D/$F.go && $L $F.$A && ./$A.out || echo.*,// run, 1s,^// $G $D/$F.go || echo.*,// compile, R=golang-dev, rsc CC=golang-dev https://golang.org/cl/5656099
64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
// run
|
|
|
|
// Copyright 2009 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.
|
|
|
|
package main
|
|
|
|
type S struct {
|
|
}
|
|
|
|
func (p *S) M() {
|
|
}
|
|
|
|
type I interface {
|
|
M();
|
|
}
|
|
|
|
func main() {
|
|
var p *S = nil;
|
|
var i I = p; // this should be possible even though p is nil: we still know the type
|
|
i.M(); // should be possible since we know the type, and don't ever use the receiver
|
|
}
|
|
|
|
|
|
/*
|
|
throw: ifaces2i: nil pointer
|
|
SIGSEGV: segmentation violation
|
|
Faulting address: 0x0
|
|
pc: 0x1b7d
|
|
|
|
0x1b7d?zi
|
|
throw(30409, 0, 0, ...)
|
|
throw(0x76c9, 0x0, 0x0, ...)
|
|
0x207f?zi
|
|
sys·ifaces2i(31440, 0, 31480, ...)
|
|
sys·ifaces2i(0x7ad0, 0x7af8, 0x0, ...)
|
|
0x136f?zi
|
|
main·main(1, 0, 1606416424, ...)
|
|
main·main(0x1, 0x7fff5fbff828, 0x0, ...)
|
|
|
|
rax 0x1
|
|
rbx 0x1
|
|
rcx 0x33b5
|
|
rdx 0x0
|
|
rdi 0x1
|
|
rsi 0x7684
|
|
rbp 0x7684
|
|
rsp 0xafb8
|
|
r8 0x0
|
|
r9 0x0
|
|
r10 0x1002
|
|
r11 0x206
|
|
r12 0x0
|
|
r13 0x0
|
|
r14 0x7c48
|
|
r15 0xa000
|
|
rip 0x1b7d
|
|
rflags 0x10202
|
|
cs 0x27
|
|
fs 0x10
|
|
gs 0x48
|
|
*/
|