tweak

Author: Nadrieril

compiler/rustc_mir_build/src/build/matches/mod.rs

@@ -1464,11 +1464,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
         fake_borrows: &mut Option<FxIndexSet<Place<'tcx>>>,
     ) {
         debug!("candidate={:#?}\npats={:#?}", candidate, pats);
-        let mut or_candidates: Vec<_> = pats
+        candidate.subcandidates = pats
             .iter()
             .map(|pat| Candidate::new(place.clone(), pat, candidate.has_guard, self))
             .collect();
-        let mut or_candidate_refs: Vec<_> = or_candidates.iter_mut().collect();
+        let mut or_candidate_refs: Vec<_> = candidate.subcandidates.iter_mut().collect();
         let otherwise = if candidate.otherwise_block.is_some() {
             &mut candidate.otherwise_block
         } else {
@@ -1482,7 +1482,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
             &mut or_candidate_refs,
             fake_borrows,
         );
-        candidate.subcandidates = or_candidates;
         self.merge_trivial_subcandidates(candidate, self.source_info(or_span));
     }