diff options
Diffstat (limited to 'test/fixedbugs/issue65417.go')
-rw-r--r-- | test/fixedbugs/issue65417.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/fixedbugs/issue65417.go b/test/fixedbugs/issue65417.go new file mode 100644 index 0000000000..15e84d819c --- /dev/null +++ b/test/fixedbugs/issue65417.go @@ -0,0 +1,42 @@ +// run + +// Copyright 2024 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 ( + "strings" + "unsafe" +) + +func main() { + shouldPanic("runtime error: index out of range", func() { f(0) }) + shouldPanic("runtime error: index out of range", func() { g(0) }) +} + +func f[T byte](t T) { + const str = "a" + _ = str[unsafe.Sizeof(t)] +} + +func g[T byte](t T) { + const str = "a" + _ = str[unsafe.Sizeof(t)+0] +} + +func shouldPanic(str string, f func()) { + defer func() { + err := recover() + if err == nil { + panic("did not panic") + } + s := err.(error).Error() + if !strings.Contains(s, str) { + panic("got panic " + s + ", want " + str) + } + }() + + f() +} |