mirror of
https://github.com/golang/go
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65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: fails incorrectly
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type S struct {
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}
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func (p *S) M() {
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print("M\n");
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}
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type I interface {
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M();
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}
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func main() {
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var p *S = nil;
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var i I = p; // this should be possible even though p is nil: we still know the type
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i.M(); // should be possible since we know the type, and don't ever use the receiver
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}
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/*
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throw: ifaces2i: nil pointer
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SIGSEGV: segmentation violation
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Faulting address: 0x0
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pc: 0x1b7d
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0x1b7d?zi
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throw(30409, 0, 0, ...)
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throw(0x76c9, 0x0, 0x0, ...)
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0x207f?zi
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sys·ifaces2i(31440, 0, 31480, ...)
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sys·ifaces2i(0x7ad0, 0x7af8, 0x0, ...)
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0x136f?zi
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main·main(1, 0, 1606416424, ...)
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main·main(0x1, 0x7fff5fbff828, 0x0, ...)
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rax 0x1
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rbx 0x1
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rcx 0x33b5
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rdx 0x0
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rdi 0x1
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rsi 0x7684
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rbp 0x7684
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rsp 0xafb8
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r8 0x0
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r9 0x0
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r10 0x1002
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r11 0x206
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r12 0x0
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r13 0x0
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r14 0x7c48
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r15 0xa000
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rip 0x1b7d
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rflags 0x10202
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cs 0x27
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fs 0x10
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gs 0x48
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*/
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