|  | // errorcheck | 
|  |  | 
|  | // 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. | 
|  |  | 
|  | // Non-Go-constant but constant values aren't ok for array sizes. | 
|  |  | 
|  | package p | 
|  |  | 
|  | import "unsafe" | 
|  |  | 
|  | type T [uintptr(unsafe.Pointer(nil))]int // ERROR "non-constant array bound|array bound is not constant|must be constant" | 
|  |  | 
|  | func f() { | 
|  | _ = complex(1<<uintptr(unsafe.Pointer(nil)), 0) // ERROR "shift of type float64|non-integer type for left operand of shift|must be integer" | 
|  | } |