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Fix parsing of extern paths in types and poly-traits

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This commit is contained in:
Vadim Petrochenkov 2018-02-23 00:54:30 +03:00
parent b1f8e6fb06
commit 98eb4ddbce
3 changed files with 8 additions and 2 deletions
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2
src/libsyntax/parse/parser.rs
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@ -1321,7 +1321,7 @@ impl<'a> Parser<'a> {
pub fn token_is_bare_fn_keyword(&mut self) -> bool {
self.check_keyword(keywords::Fn) ||
self.check_keyword(keywords::Unsafe) ||
self.check_keyword(keywords::Extern)
self.check_keyword(keywords::Extern) && self.is_extern_non_path()
}
fn eat_label(&mut self) -> Option<Label> {

4
src/test/run-pass/rfc-2126-extern-absolute-paths/auxiliary/xcrate.rs
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@ -8,8 +8,10 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#[derive(Debug)]
#[derive(Debug, PartialEq)]
pub struct S;
#[derive(Debug)]
pub struct Z;
pub trait Tr<'a> {}

4
src/test/run-pass/rfc-2126-extern-absolute-paths/extern.rs
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@ -14,6 +14,9 @@
use extern::xcrate::Z;
type A = extern::xcrate::S;
type B = for<'a> extern::xcrate::Tr<'a>;
fn f() {
use extern::xcrate;
use extern::xcrate as ycrate;
@ -28,4 +31,5 @@ fn main() {
assert_eq!(format!("{:?}", s), "S");
let z = Z;
assert_eq!(format!("{:?}", z), "Z");
assert_eq!(A {}, extern::xcrate::S {});
}