From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/bug148.go | 54 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 test/fixedbugs/bug148.go (limited to 'test/fixedbugs/bug148.go') 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. +*/ -- cgit v1.2.3