Make IndexVec::ensure_contains_elem return a reference to the element

2023-04-17 13:14:03 +00:00
parent e49122fb1c
commit e1cd99f6ff
6 changed files with 24 additions and 26 deletions
--- a/compiler/rustc_index/src/interval.rs
+++ b/compiler/rustc_index/src/interval.rs
@@ -261,8 +261,7 @@ impl<R: Idx, C: Step + Idx> SparseIntervalMatrix<R, C> {
    }

    fn ensure_row(&mut self, row: R) -> &mut IntervalSet<C> {
-        self.rows.ensure_contains_elem(row, || IntervalSet::new(self.column_size));
-        &mut self.rows[row]
+        self.rows.ensure_contains_elem(row, || IntervalSet::new(self.column_size))
    }

    pub fn union_row(&mut self, row: R, from: &IntervalSet<C>) -> bool