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/issue60601.go | 50 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 test/fixedbugs/issue60601.go (limited to 'test/fixedbugs/issue60601.go') diff --git a/test/fixedbugs/issue60601.go b/test/fixedbugs/issue60601.go new file mode 100644 index 0000000..5308989 --- /dev/null +++ b/test/fixedbugs/issue60601.go @@ -0,0 +1,50 @@ +// run + +// Copyright 2023 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 shift[T any]() int64 { + return 1 << unsafe.Sizeof(*new(T)) +} + +func div[T any]() uintptr { + return 1 / unsafe.Sizeof(*new(T)) +} + +func add[T any]() int64 { + return 1<<63 - 1 + int64(unsafe.Sizeof(*new(T))) +} + +func main() { + shift[[62]byte]() + shift[[63]byte]() + shift[[64]byte]() + shift[[100]byte]() + shift[[1e6]byte]() + + add[[1]byte]() + shouldPanic("divide by zero", func() { div[[0]byte]() }) +} + +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() +} -- cgit v1.2.3