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| author | Nicholas Nethercote <nnethercote@mozilla.com> | 2016-11-18 10:10:09 +1100 |
|---|---|---|
| committer | Nicholas Nethercote <nnethercote@mozilla.com> | 2016-11-18 14:26:22 +1100 |
| commit | f0c9a9f4749c8db719d2913c3c7619665db1c0c2 (patch) | |
| tree | 1f9cdc9ecfb3528259165176c0bff03d278ff3f9 | |
| parent | 89386d62ab2ae38771b48a64a72ff73f954c4564 (diff) | |
| download | rust-f0c9a9f4749c8db719d2913c3c7619665db1c0c2.tar.gz rust-f0c9a9f4749c8db719d2913c3c7619665db1c0c2.zip | |
Don't clone in UnificationTable::probe().
This speeds up compilation of rustc-benchmarks/inflate-0.1.0 by 1%.
| -rw-r--r-- | src/librustc_data_structures/unify/mod.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_data_structures/unify/mod.rs b/src/librustc_data_structures/unify/mod.rs index 1f4d09a9224..e2d3a4f4537 100644 --- a/src/librustc_data_structures/unify/mod.rs +++ b/src/librustc_data_structures/unify/mod.rs @@ -344,7 +344,7 @@ impl<'tcx, K, V> UnificationTable<K> } pub fn probe(&mut self, a_id: K) -> Option<V> { - self.get(a_id).value.clone() + self.get(a_id).value } pub fn unsolved_variables(&mut self) -> Vec<K> { |