// compile // Copyright 2013 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. // Logical operation on named boolean type returns the same type, // supporting an implicit conversion to an interface type. This used // to crash gccgo. package p type B bool func (b B) M() {} type I interface { M() } func F(a, b B) I { return a && b }