Range PatKind implies discr should be read
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@ -267,12 +267,15 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> {
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}
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}
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}
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PatKind::Lit(_) => {
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// If the PatKind is a Lit then we want
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PatKind::Lit(_) | PatKind::Range(..) => {
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// If the PatKind is a Lit or a Range then we want
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// to borrow discr.
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needs_to_be_read = true;
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}
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_ => {}
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_ => {
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// If the PatKind is Or, Box, Slice or Ref, the decision is made later
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// as these patterns contains subpatterns
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}
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}
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}));
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}
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14
src/test/ui/closures/2229_closure_analysis/issue-87426.rs
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14
src/test/ui/closures/2229_closure_analysis/issue-87426.rs
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@ -0,0 +1,14 @@
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// run-pass
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// edition:2021
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pub fn foo() {
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let ref_x_ck = 123;
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let _y = || match ref_x_ck {
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2_000_000..=3_999_999 => { println!("A")}
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_ => { println!("B")}
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};
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}
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fn main() {
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foo();
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}
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