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go/test/fixedbugs/issue6671.go
Chris Manghane 5cc29ab95e cmd/gc: logical operators should produce untyped bool for untyped
operands

Fixes #6671 for cmd/gc.

Change-Id: I4907655b6e243960f2ceb544c63ea16513c7bd68
Reviewed-on: https://go-review.googlesource.com/1251
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2014-12-29 23:36:30 +00:00

29 lines
1.0 KiB
Go

// errorcheck
// Copyright 2014 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 6671: Logical operators should produce untyped bool for untyped operands.
package p
type mybool bool
func _(x, y int) {
type mybool bool
var b mybool
_ = b
b = bool(true) // ERROR "cannot use"
b = true // permitted as expected
b = bool(true) && true // ERROR "cannot use"
b = true && true // permitted => && returns an untyped bool
b = x < y // permitted => x < y returns an untyped bool
b = true && x < y // permitted => result of && returns untyped bool
b = x < y && x < y // permitted => result of && returns untyped bool
b = x < y || x < y // permitted => result of || returns untyped bool
var c bool = true && x < y // permitted => result of && is bool
c = false || x < y // permitted => result of || returns untyped bool
_ = c
}