| // 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 |
| */ |
