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| author | bors <bors@rust-lang.org> | 2021-11-11 18:26:49 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2021-11-11 18:26:49 +0000 |
| commit | 936238a92b2f9d6e7afe7dda69b4afd903f96399 (patch) | |
| tree | 29df31c1ec7b72ac84a9e53ec3775e627f969cb9 | |
| parent | 3d29b6807740db74aeb9c2f626115e519dee4a62 (diff) | |
| parent | 580d357b5adef605fc731d295ca53ab8532e26fb (diff) | |
| download | rust-936238a92b2f9d6e7afe7dda69b4afd903f96399.tar.gz rust-936238a92b2f9d6e7afe7dda69b4afd903f96399.zip | |
Auto merge of #90746 - nnethercote:opt-pattern-matching, r=Nadrieril
Optimize pattern matching These commits speed up the `match-stress-enum` benchmark, which is very artificial, but the changes are simple enough that it's probably worth doing. r? `@Nadrieril`
| -rw-r--r-- | compiler/rustc_mir_build/src/thir/pattern/usefulness.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs b/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs index d959d2f7f6f..067b0506e30 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/usefulness.rs @@ -797,7 +797,7 @@ fn is_useful<'p, 'tcx>( return ret; } - assert!(rows.iter().all(|r| r.len() == v.len())); + debug_assert!(rows.iter().all(|r| r.len() == v.len())); let ty = v.head().ty(); let is_non_exhaustive = cx.is_foreign_non_exhaustive_enum(ty); |