X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_middle%2Fsrc%2Fmir%2Ftraversal.rs;h=db64bcba3b111a11ed5ecbe0e7dbe0c54e96be8b;hb=afaa9854fa6df74d7a1b85ebb1f45bdcd0dcc152;hp=1cbfed621560d6a516edb278817535b54f2a03c4;hpb=38bf1158bd850c80de42599c28602ae11727a133;p=rust.git

diff --git a/compiler/rustc_middle/src/mir/traversal.rs b/compiler/rustc_middle/src/mir/traversal.rs
index 1cbfed62156..db64bcba3b1 100644
--- a/compiler/rustc_middle/src/mir/traversal.rs
+++ b/compiler/rustc_middle/src/mir/traversal.rs
@@ -310,7 +310,7 @@ pub fn reachable_as_bitset<'tcx>(body: &Body<'tcx>) -> BitSet<BasicBlock> {
 #[derive(Clone)]
 pub struct ReversePostorderIter<'a, 'tcx> {
     body: &'a Body<'tcx>,
-    blocks: &'a Vec<BasicBlock>,
+    blocks: &'a [BasicBlock],
     idx: usize,
 }
 
@@ -358,9 +358,9 @@ pub(super) fn invalidate(&mut self) {
         self.cache = OnceCell::new();
     }
 
-    /// Returns the &Vec<BasicBlocks> represents the postorder graph for this MIR.
+    /// Returns the `&[BasicBlocks]` represents the postorder graph for this MIR.
     #[inline]
-    pub(super) fn compute(&self, body: &Body<'_>) -> &Vec<BasicBlock> {
+    pub(super) fn compute(&self, body: &Body<'_>) -> &[BasicBlock] {
         self.cache.get_or_init(|| Postorder::new(body, START_BLOCK).map(|(bb, _)| bb).collect())
     }
 }