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Fix ICE when misplaced visibility cannot be properly parsed

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This commit is contained in:
Ryan Levick 2021-07-07 14:25:40 +02:00
parent c5e344f774
commit 04a9c10fc2
3 changed files with 18 additions and 1 deletions
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8
compiler/rustc_parse/src/parser/item.rs
View File

@ -1791,7 +1791,13 @@ impl<'a> Parser<'a> {
if self.check_keyword(kw::Pub) {
let sp = sp_start.to(self.prev_token.span);
if let Ok(snippet) = self.span_to_snippet(sp) {
let vis = self.parse_visibility(FollowedByType::No)?;
let vis = match self.parse_visibility(FollowedByType::No) {
Ok(v) => v,
Err(mut d) => {
d.cancel();
return Err(err);
}
};
let vs = pprust::vis_to_string(&vis);
let vs = vs.trim_end();
err.span_suggestion(

3
src/test/ui/parser/issue-86895.rs Normal file
View File

@ -0,0 +1,3 @@
const pub () {}
//~^ ERROR expected one of `async`, `extern`, `fn`, or `unsafe`
pub fn main() {}

8
src/test/ui/parser/issue-86895.stderr Normal file
View File

@ -0,0 +1,8 @@
error: expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub`
--> $DIR/issue-86895.rs:1:7
|
LL | const pub () {}
| ^^^ expected one of `async`, `extern`, `fn`, or `unsafe`
error: aborting due to previous error