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| author | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2022-06-27 14:46:36 +0000 |
|---|---|---|
| committer | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2022-07-15 15:56:16 +0000 |
| commit | 0c6918fe210ebed9639c2f1b1fbfac4eb0fef38a (patch) | |
| tree | 74b2c4920e77d1ce62042893290fb97c101ab44c | |
| parent | 7a8a048b5853c6e44af53d924a7c0feb2140e5af (diff) | |
| download | rust-0c6918fe210ebed9639c2f1b1fbfac4eb0fef38a.tar.gz rust-0c6918fe210ebed9639c2f1b1fbfac4eb0fef38a.zip | |
Reuse a helper method instead of manually rolling it
| -rw-r--r-- | compiler/rustc_mir_build/src/build/matches/test.rs | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/compiler/rustc_mir_build/src/build/matches/test.rs b/compiler/rustc_mir_build/src/build/matches/test.rs index 4e2a137c3fc..63acd731db7 100644 --- a/compiler/rustc_mir_build/src/build/matches/test.rs +++ b/compiler/rustc_mir_build/src/build/matches/test.rs @@ -724,9 +724,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // So, if we have a match-pattern like `x @ Enum::Variant(P1, P2)`, // we want to create a set of derived match-patterns like // `(x as Variant).0 @ P1` and `(x as Variant).1 @ P1`. - let elem = - ProjectionElem::Downcast(Some(adt_def.variant(variant_index).name), variant_index); - let downcast_place = match_pair.place.project(elem); // `(x as Variant)` + let downcast_place = match_pair.place.downcast(adt_def, variant_index); // `(x as Variant)` let consequent_match_pairs = subpatterns.iter().map(|subpattern| { // e.g., `(x as Variant).0` let place = downcast_place.clone().field(subpattern.field, subpattern.pattern.ty); |