diff options
| -rw-r--r-- | compiler/rustc_mir_build/src/thir/pattern/check_match.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index c6fd7bcbf90..4766e7d178d 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -389,6 +389,8 @@ fn check_arms<'p, 'tcx>( hir::MatchSource::AwaitDesugar | hir::MatchSource::TryDesugar => {} } } + Useful(unreachables) if unreachables.is_empty() => {} + // The arm is reachable, but contains unreachable subpatterns (from or-patterns). Useful(unreachables) => { let mut unreachables: Vec<_> = unreachables.into_iter().flatten().collect(); // Emit lints in the order in which they occur in the file. |