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Diffstat (limited to 'gcc/testsuite/go.test/test/fixedbugs/bug099.go')
-rw-r--r-- | gcc/testsuite/go.test/test/fixedbugs/bug099.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/go.test/test/fixedbugs/bug099.go b/gcc/testsuite/go.test/test/fixedbugs/bug099.go new file mode 100644 index 000000000..f76f0e873 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/bug099.go @@ -0,0 +1,37 @@ +// $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); + + // Again, without temporary + // Crashes because x.F is 0. + Use(NewI(0)); +} + |