From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue11987.go | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 test/fixedbugs/issue11987.go (limited to 'test/fixedbugs/issue11987.go') diff --git a/test/fixedbugs/issue11987.go b/test/fixedbugs/issue11987.go new file mode 100644 index 0000000..9b665dc --- /dev/null +++ b/test/fixedbugs/issue11987.go @@ -0,0 +1,23 @@ +// run + +// Copyright 2015 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. + +// Issue 11987. The ppc64 SRADCC instruction was misassembled in a way +// lost bit 5 of the immediate so v>>32 was assembled as v>>0. SRADCC +// is only ever inserted by peep so it's hard to be sure when it will +// be used. This formulation worked when the bug was fixed. + +package main + +import "fmt" + +var v int64 = 0x80000000 + +func main() { + s := fmt.Sprintf("%v", v>>32 == 0) + if s != "true" { + fmt.Printf("BUG: v>>32 == 0 evaluated as %q\n", s) + } +} -- cgit v1.2.3