// compile // Copyright 2018 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 27143: cmd/compile: erroneous application of walkinrange // optimization for const over 2**63 package p var c uint64 var b1 bool = 0x7fffffffffffffff < c && c < 0x8000000000000000 var b2 bool = c < 0x8000000000000000 && 0x7fffffffffffffff < c var b3 bool = 0x8000000000000000 < c && c < 0x8000000000000001 var b4 bool = c < 0x8000000000000001 && 0x8000000000000000 < c