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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /test/fixedbugs/bug148.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/bug148.go')
-rw-r--r-- | test/fixedbugs/bug148.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/fixedbugs/bug148.go b/test/fixedbugs/bug148.go new file mode 100644 index 0000000..b67870b --- /dev/null +++ b/test/fixedbugs/bug148.go @@ -0,0 +1,54 @@ +// run + +// 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 T struct {a, b int}; + +func println(x, y int) { } + +func f(x interface{}) interface{} { + type T struct {a, b int}; + + if x == nil { + return T{2, 3}; + } + + t := x.(T); + println(t.a, t.b); + return x; +} + +func main() { + inner_T := f(nil); + f(inner_T); + + shouldPanic(p1) +} + +func p1() { + outer_T := T{5, 7}; + f(outer_T); +} + +func shouldPanic(f func()) { + defer func() { + if recover() == nil { + panic("function should panic") + } + }() + f() +} + +/* +This prints: + +2 3 +5 7 + +but it should crash: The type assertion on line 18 should fail +for the 2nd call to f with outer_T. +*/ |