| // run |
| |
| // Copyright 2016 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 main() { |
| const fffd = "\uFFFD" |
| |
| // runtime.intstring used to convert int64 to rune without checking |
| // for truncation. |
| u := uint64(0x10001f4a9) |
| big := string(u) |
| if big != fffd { |
| panic("big != bad") |
| } |
| |
| // cmd/compile used to require integer constants to fit into an "int". |
| const huge = string(1<<100) |
| if huge != fffd { |
| panic("huge != bad") |
| } |
| } |