mirror of
https://github.com/golang/go
synced 2024-11-26 02:07:57 -07:00
test: add test for nil check / bounds check compiler confusion
This test started failing at CL 228106 and was fixed by CL 228677. Fixes #38496 Change-Id: I2dadcd99227347e8d28179039f5f345e728c4595 Reviewed-on: https://go-review.googlesource.com/c/go/+/228698 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
parent
843453d09e
commit
29d925dfcf
20
test/fixedbugs/issue38496.go
Normal file
20
test/fixedbugs/issue38496.go
Normal file
@ -0,0 +1,20 @@
|
||||
// run
|
||||
|
||||
// Copyright 2020 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.
|
||||
|
||||
// Make sure bounds check elision isn't confused with nil check elision.
|
||||
|
||||
package main
|
||||
|
||||
func main() {
|
||||
defer func() {
|
||||
err := recover()
|
||||
if err == nil {
|
||||
panic("failed to check nil ptr")
|
||||
}
|
||||
}()
|
||||
var m [2]*int
|
||||
_ = *m[1] // need a nil check, but not a bounds check
|
||||
}
|
Loading…
Reference in New Issue
Block a user