Auto merge of #54507 - csmoe:deny_overflow, r=varkor

Deny the `overflowing_literals` lint for the 2018 edition

Closes https://github.com/rust-lang/rust/issues/54502
r? @varkor
This commit is contained in:
bors 2018-09-24 10:08:01 +00:00
commit e5c6575801
3 changed files with 29 additions and 1 deletions

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@ -24,6 +24,7 @@ use std::{i8, i16, i32, i64, u8, u16, u32, u64, f32, f64};
use syntax::{ast, attr};
use syntax::errors::Applicability;
use rustc_target::spec::abi::Abi;
use syntax::edition::Edition;
use syntax_pos::Span;
use syntax::source_map;
@ -38,7 +39,8 @@ declare_lint! {
declare_lint! {
OVERFLOWING_LITERALS,
Warn,
"literal out of range for its type"
"literal out of range for its type",
Edition::Edition2018 => Deny
}
declare_lint! {

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@ -0,0 +1,16 @@
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// edition:2018
fn main() {
let x: u8 = 256;
//~^ error: literal out of range for u8
}

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@ -0,0 +1,10 @@
error: literal out of range for u8
--> $DIR/edition-deny-overflowing-literals-2018.rs:14:17
|
LL | let x: u8 = 256;
| ^^^
|
= note: #[deny(overflowing_literals)] on by default
error: aborting due to previous error