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go/test/fixedbugs/issue11987.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

24 lines
621 B
Go

// 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)
}
}