go/test/fixedbugs/issue19696.go
Josh Bleecher Snyder 7202341de9 cmd/compile: only SSA [0]T when T is SSA-able
Almost never happens in practice.
The compiler will generate reasonable code anyway,
since assignments involving [0]T never do any work.

Fixes #19696
Fixes #19671

Change-Id: I350d2e0c5bb326c4789c74a046ab0486b2cee49c
Reviewed-on: https://go-review.googlesource.com/38599
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-03-24 16:53:22 +00:00

20 lines
361 B
Go

// compile
// 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.
// Used to crash when compiling assignments involving [0]T,
// where T is not SSA-able.
package p
type s struct {
a, b, c, d, e int
}
func f() {
var i int
arr := [0]s{}
arr[i].a++
}