update comment about heuristics

2017-05-02 06:33:11 -04:00 · 2017-05-02 06:33:11 -04:00 · 0afcfce8d8
commit 0afcfce8d8
parent b0092e89e0
1 changed files with 3 additions and 1 deletions
--- a/src/librustc_mir/transform/inline.rs
+++ b/src/librustc_mir/transform/inline.rs
@ -72,7 +72,9 @@ impl<'a, 'tcx> Inliner<'a, 'tcx> {
        // inline.
        //
        // We use a queue so that we inline "broadly" before we inline
-        // in depth.  It is unclear if this is the current heuristic.
+        // in depth. It is unclear if this is the best heuristic,
+        // really, but that's true of all the heuristics in this
+        // file. =)

        let mut callsites = VecDeque::new();