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go/test/fixedbugs/issue31782.go
LE Manh Cuong 004fb5cb8d cmd/compile: fix isStaticCompositeLiteral reports wrong for struct field
golang.org/cl/174498 add ONAME case to isStaticCompositeLiteral, to
detect global variable as compile-time constant.

It does report wrong for struct field, e.g:

	o := one{i: two{i: 42}.i}

field i in two{i: 42} was reported as static composite literal, while it
should not.

In general, adding ONAME case for isStaticCompositeLiteral is probably
wrong.

Fixes #31782

Change-Id: Icde7d43bbb002b75df5c52b948b7126a4265e07b
Reviewed-on: https://go-review.googlesource.com/c/go/+/174837
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-03 03:49:11 +00:00

25 lines
399 B
Go

// run
// Copyright 2019 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.
// Check static composite literal reports wrong for struct
// field.
package main
type one struct {
i interface{}
}
type two struct {
i interface{}
s []string
}
func main() {
o := one{i: two{i: 42}.i}
println(o.i.(int))
}