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Show clearer error message when #![deny(warnings)] escalates a warning

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Addresses #30730
This commit is contained in:
vagrant 2016-01-09 23:30:33 +00:00
parent d70ab2bdf1
commit cd8de5426e
1 changed files with 7 additions and 2 deletions
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9
src/librustc/lint/context.rs
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@ -451,9 +451,14 @@ pub trait LintContext: Sized {
fn level_src(&self, lint: &'static Lint) -> Option<LevelSource> {
self.lints().levels.get(&LintId::of(lint)).map(|ls| match ls {
&(Warn, src) => {
&(Warn, _) => {
let lint_id = LintId::of(builtin::WARNINGS);
(self.lints().get_level_source(lint_id).0, src)
let warn_src = self.lints().get_level_source(lint_id);
if warn_src.0 != Warn {
warn_src
} else {
*ls
}
}
_ => *ls
})