| // errorcheck | 
 |  | 
 | // Copyright 2019 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. | 
 |  | 
 | // Verify that we only get one error per invalid integer literal. | 
 |  | 
 | package p | 
 |  | 
 | const ( | 
 | 	_ = 1_       // ERROR "'_' must separate successive digits" | 
 | 	_ = 0b       // ERROR "binary literal has no digits|invalid numeric literal" | 
 | 	_ = 0o       // ERROR "octal literal has no digits|invalid numeric literal" | 
 | 	_ = 0x       // ERROR "hexadecimal literal has no digits|invalid numeric literal" | 
 | 	_ = 0xde__ad // ERROR "'_' must separate successive digits" | 
 | ) |