go/test/fixedbugs/issue6671.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
}