| // 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. | |
| package main | |
| func f() { | |
| var s string | |
| var p, q bool | |
| s = "a" | |
| for p { | |
| p = false == (true != q) | |
| s = "" | |
| } | |
| _ = s == "bbb" | |
| } | |
| // Another case: load from negative offset of a symbol | |
| // in dead code (issue 30257). | |
| func g() { | |
| var i int | |
| var s string | |
| if true { | |
| s = "a" | |
| } | |
| if f := 0.0; -f < 0 { | |
| i = len(s[:4]) | |
| } | |
| _ = s[i-1:0] != "bb" && true | |
| } |