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// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: fails incorrectly

// 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

*/