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/issue45242.go | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 test/fixedbugs/issue45242.go (limited to 'test/fixedbugs/issue45242.go') diff --git a/test/fixedbugs/issue45242.go b/test/fixedbugs/issue45242.go new file mode 100644 index 0000000..b997221 --- /dev/null +++ b/test/fixedbugs/issue45242.go @@ -0,0 +1,28 @@ +// run + +// Copyright 2021 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 "fmt" + +//go:noinline +func repro(b []byte, bit int32) { + _ = b[3] + v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 | 1<<(bit&31) + b[0] = byte(v) + b[1] = byte(v >> 8) + b[2] = byte(v >> 16) + b[3] = byte(v >> 24) +} + +func main() { + var b [8]byte + repro(b[:], 32) + want := [8]byte{1, 0, 0, 0, 0, 0, 0, 0} + if b != want { + panic(fmt.Sprintf("got %v, want %v\n", b, want)) + } +} -- cgit v1.2.3