From ed18e57896ad59b488ad2fc884a2c9e68937eff2 Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Thu, 11 Sep 2008 17:19:38 -0700 Subject: [PATCH] new bug R=r DELTA=34 (34 added, 0 deleted, 0 changed) OCL=15178 CL=15181 --- test/bugs/bug099.go | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 test/bugs/bug099.go diff --git a/test/bugs/bug099.go b/test/bugs/bug099.go new file mode 100644 index 0000000000..3b26475dee --- /dev/null +++ b/test/bugs/bug099.go @@ -0,0 +1,38 @@ +// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG should not crash + +// 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 + +// Interface +type I interface { F() int } + +// Implements interface +type S struct { } +func (s *S) F() int { return 1 } + +// Allocates S but returns I +// Arg is unused but important: +// if you take it out (and the 0s below) +// then the bug goes away. +func NewI(i int) I { + return new(S) +} + +// Uses interface method. +func Use(x I) { + x.F() +} + +func main() { + i := NewI(0); + Use(i); + print("done1\n"); + + // Again, without temporary + // Crashes because x.F is 0. + Use(NewI(0)); +} + -- 2.48.1