Subversion Repositories openrisc

// $G $D/$F.go && $L $F.$A && ./$A.out >/dev/null 2>&1 || echo BUG: bug206

// 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

import "go/ast";

func g(list []ast.Expr) {

        n := len(list)-1;

        println(list[n].Pos());

}

// f is the same as g except that the expression assigned to n is inlined.

func f(list []ast.Expr) {

        // n := len(list)-1;

        println(list[len(list)-1 /* n */].Pos());

}

func main() {

        list := []ast.Expr{&ast.Ident{}};

        g(list);  // this works

        f(list);  // this doesn't

}

/*

throw: index out of range

panic PC=0x2bcf10

throw+0x33 /home/gri/go/src/pkg/runtime/runtime.c:71

        throw(0x470f8, 0x0)

sys·throwindex+0x1c /home/gri/go/src/pkg/runtime/runtime.c:45

        sys·throwindex()

main·f+0x26 /home/gri/go/test/bugs/bug206.go:16

        main·f(0x2b9560, 0x0)

main·main+0xc3 /home/gri/go/test/bugs/bug206.go:23

        main·main()

mainstart+0xf /home/gri/go/src/pkg/runtime/amd64/asm.s:55

        mainstart()

goexit /home/gri/go/src/pkg/runtime/proc.c:133

        goexit()

*/