1 // run 2 3 // Copyright 2011 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // issue 1808 8 9 package main 10 11 func main() { 12 var i uint64 13 var x int = 12345 14 15 if y := x << (i&5); y != 12345<<0 { 16 println("BUG bug344", y) 17 return 18 } 19 20 i++ 21 if y := x << (i&5); y != 12345<<1 { 22 println("BUG bug344a", y) 23 } 24 25 i = 70 26 if y := x << i; y != 0 { 27 println("BUG bug344b", y) 28 } 29 30 i = 1<<32 31 if y := x << i; y != 0 { 32 println("BUG bug344c", y) 33 } 34 } 35 36 37 /* 38 typecheck [1008592b0] 39 . INDREG a(1) l(15) x(24) tc(2) runtime.ret G0 string 40 bug343.go:15: internal compiler error: typecheck INDREG 41 */ 42
