go/test/fixedbugs/issue20811.go
Cherry Zhang c920fa537f cmd/compile: fix slice-in-bound check on amd64p32
Should use CMPL instead of CMPQ.

Fixes #20811.

Change-Id: I610d487949c2c8a08b3743656149069d931a51bb
Reviewed-on: https://go-review.googlesource.com/46870
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-06-28 16:20:53 +00:00

23 lines
391 B
Go

// run
// Copyright 2017 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 20811: slice-in-bound check is lowered incorrectly on
// amd64p32.
package main
func main() {
i := g()
_ = "x"[int32(i)]
j := g()
_ = "x"[:int32(j)]
}
//go:noinline
func g() int64 {
return 4398046511104
}