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5cc29ab95e
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>
29 lines
1.0 KiB
Go
29 lines
1.0 KiB
Go
// errorcheck
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 6671: Logical operators should produce untyped bool for untyped operands.
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package p
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type mybool bool
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func _(x, y int) {
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type mybool bool
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var b mybool
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_ = b
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b = bool(true) // ERROR "cannot use"
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b = true // permitted as expected
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b = bool(true) && true // ERROR "cannot use"
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b = true && true // permitted => && returns an untyped bool
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b = x < y // permitted => x < y returns an untyped bool
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b = true && x < y // permitted => result of && returns untyped bool
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b = x < y && x < y // permitted => result of && returns untyped bool
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b = x < y || x < y // permitted => result of || returns untyped bool
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var c bool = true && x < y // permitted => result of && is bool
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c = false || x < y // permitted => result of || returns untyped bool
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_ = c
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}
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