Add test and fix dedup
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@ -1311,6 +1311,7 @@ impl<'a, 'b:'a> ImportResolver<'a, 'b> {
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is_redundant.present_items().all(|is_redundant| is_redundant)
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{
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let mut redundant_spans: Vec<_> = redundant_span.present_items().collect();
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redundant_spans.sort();
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redundant_spans.dedup();
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self.session.buffer_lint_with_diagnostic(
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UNUSED_IMPORTS,
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10
src/test/ui/issues/issue-59896.rs
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10
src/test/ui/issues/issue-59896.rs
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@ -0,0 +1,10 @@
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#![deny(unused_imports)]
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struct S;
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fn main() {
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use S; //~ ERROR the item `S` is imported redundantly
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let _s = S;
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}
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17
src/test/ui/issues/issue-59896.stderr
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17
src/test/ui/issues/issue-59896.stderr
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@ -0,0 +1,17 @@
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error: the item `S` is imported redundantly
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--> $DIR/issue-59896.rs:6:9
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LL | struct S;
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| --------- the item `S` is already defined here
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...
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LL | use S;
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| ^
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note: lint level defined here
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--> $DIR/issue-59896.rs:1:9
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LL | #![deny(unused_imports)]
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| ^^^^^^^^^^^^^^
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error: aborting due to previous error
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