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go/test/fixedbugs/issue5698.go

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cmd/gc: fix computation of equality class of types. A struct with a single field was considered as equivalent to the field type, which is incorrect is the field is blank. Fields with padding could make the compiler think some types are comparable when they are not. Fixes #5698. R=rsc, golang-dev, daniel.morsing, bradfitz, gri, r CC=golang-dev https://golang.org/cl/10271046
2013-07-02 01:08:43 -06:00
// errorcheck
all: make copyright headers consistent with one space after period Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-04-10 15:32:26 -06:00
// Copyright 2013 The Go Authors. All rights reserved.
cmd/gc: fix computation of equality class of types. A struct with a single field was considered as equivalent to the field type, which is incorrect is the field is blank. Fields with padding could make the compiler think some types are comparable when they are not. Fixes #5698. R=rsc, golang-dev, daniel.morsing, bradfitz, gri, r CC=golang-dev https://golang.org/cl/10271046
2013-07-02 01:08:43 -06:00
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Issue 5698: can define a key type with slices.
package main
type Key struct {
a int16 // the compiler was confused by the padding.
b []int
}
type Val struct{}
type Map map[Key]Val // ERROR "invalid map key type"
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