go/test/fixedbugs/issue18994.go
Cherry Zhang a146dd3a2f cmd/compile: handle DOT STRUCTLIT for zero-valued struct in SSA
CL 35261 makes SSA handle zero-valued STRUCTLIT, but DOT operation
was not handled.

Fixes #18994.

Change-Id: Ic7976036acca1523b0b14afac4d170797e8aee20
Reviewed-on: https://go-review.googlesource.com/36565
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-02-08 21:01:51 +00:00

22 lines
399 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 18994: SSA didn't handle DOT STRUCTLIT for zero-valued
// STRUCTLIT.
package main
// large struct - not SSA-able
type T struct {
a, b, c, d, e, f, g, h int
}
func main() {
x := T{}.a
if x != 0 {
panic("FAIL")
}
}