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suppress duplicate lints

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This commit is contained in:
Niko Matsakis 2016-03-11 15:36:24 -05:00
parent f69eb8efbe
commit 73b4f06b83
1 changed files with 7 additions and 1 deletions
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8
src/librustc/session/mod.rs
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@ -246,7 +246,13 @@ impl Session {
let lint_id = lint::LintId::of(lint);
let mut lints = self.lints.borrow_mut();
match lints.get_mut(&id) {
Some(arr) => { arr.push((lint_id, sp, msg)); return; }
Some(arr) => {
let tuple = (lint_id, sp, msg);
if !arr.contains(&tuple) {
arr.push(tuple);
}
return;
}
None => {}
}
lints.insert(id, vec!((lint_id, sp, msg)));