Don't allocate it `IndexVec::remove`

2023-04-17 13:37:03 +00:00 · 2023-04-17 13:37:03 +00:00 · bd1dfcebe3
parent e1cd99f6ff
commit bd1dfcebe3
1 changed files with 1 additions and 1 deletions
--- a/compiler/rustc_index/src/vec.rs
+++ b/compiler/rustc_index/src/vec.rs
@ -460,7 +460,7 @@ impl<I: Idx, T> IndexVec<I, Option<T>> {

    #[inline]
    pub fn remove(&mut self, index: I) -> Option<T> {
-        self.ensure_contains_elem(index, || None).take()
+        self.get_mut(index)?.take()
    }
 }