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go/test/fixedbugs/issue15550.go
Matthew Dempsky 16dd0624c2 cmd/compile/internal/gc: add comment and test for #15550
When switching to the new parser, I changed cmd/compile to handle iota
per an intuitive interpretation of how nested constant declarations
should work (which also matches go/types).

Note: if we end up deciding that the current spec wording is
intentional (i.e., confirming gccgo's current behavior), the test will
need to be updated to expect 4 instead of 1.

Updates #15550.

Change-Id: I441f5f13209f172b73ef75031f2a9daa5e985277
Reviewed-on: https://go-review.googlesource.com/36122
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-02-02 04:25:23 +00:00

29 lines
346 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.
package main
import "unsafe"
const (
_ = unsafe.Sizeof(func() int {
const (
_ = 1
_
_
)
return 0
}())
y = iota
)
func main() {
if y != 1 {
panic(y)
}
}