bjoernager/rust
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Also walk bindings created by if-let guards

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This commit is contained in:
est31 2023-12-29 02:52:11 +01:00
parent fb5ed726f7
commit ab60a7df64
3 changed files with 26 additions and 0 deletions
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3
compiler/rustc_passes/src/liveness.rs
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@ -1351,6 +1351,9 @@ impl<'a, 'tcx> Visitor<'tcx> for Liveness<'a, 'tcx> {
fn visit_arm(&mut self, arm: &'tcx hir::Arm<'tcx>) {
self.check_unused_vars_in_pat(arm.pat, None, None, |_, _, _, _| {});
if let Some(hir::Guard::IfLet(let_expr)) = arm.guard {
self.check_unused_vars_in_pat(let_expr.pat, None, None, |_, _, _, _| {});
}
intravisit::walk_arm(self, arm);
}
}