From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue24799.go | 58 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 test/fixedbugs/issue24799.go (limited to 'test/fixedbugs/issue24799.go') diff --git a/test/fixedbugs/issue24799.go b/test/fixedbugs/issue24799.go new file mode 100644 index 0000000..c805c86 --- /dev/null +++ b/test/fixedbugs/issue24799.go @@ -0,0 +1,58 @@ +// run + +// Copyright 2018 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. + +// Loads of 8 byte go.strings cannot use DS relocation +// in case the alignment is not a multiple of 4. + +package main + +import ( + "fmt" +) + +type Level string + +// The following are all go.strings. A link time error can +// occur if an 8 byte load is used to load a go.string that is +// not aligned to 4 bytes due to the type of relocation that +// is generated for the instruction. A fix was made to avoid +// generating an instruction with DS relocation for go.strings +// since their alignment is not known until link time. + +// This problem only affects go.string since other types have +// correct alignment. + +const ( + LevelBad Level = "badvals" + LevelNone Level = "No" + LevelMetadata Level = "Metadata" + LevelRequest Level = "Request" + LevelRequestResponse Level = "RequestResponse" +) + +func ordLevel(l Level) int { + switch l { + case LevelMetadata: + return 1 + case LevelRequest: + return 2 + case LevelRequestResponse: + return 3 + default: + return 0 + } +} + +//go:noinline +func test(l Level) { + if ordLevel(l) < ordLevel(LevelMetadata) { + fmt.Printf("OK\n") + } +} + +func main() { + test(LevelMetadata) +} -- cgit v1.2.3