From c5979945daf502a690514b117dbbb4d20f1528cd Mon Sep 17 00:00:00 2001
From: Eduard-Mihai Burtescu <edy.burt@gmail.com>
Date: Sat, 15 Apr 2017 03:33:12 +0300
Subject: [PATCH] [rustbuild] Side-step HashMap iteration to preserve
 command-line step order.

---
 src/bootstrap/step.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bootstrap/step.rs b/src/bootstrap/step.rs
index 6008fa81c6653..34705040e8a5e 100644
--- a/src/bootstrap/step.rs
+++ b/src/bootstrap/step.rs
@@ -1217,8 +1217,8 @@ invalid rule dependency graph detected, was a rule added and maybe typo'd?
         let mut visited = HashSet::new();
         visited.insert(0);
         let idx_to_node = nodes.iter().map(|p| (*p.1, p.0)).collect::<HashMap<_, _>>();
-        for idx in nodes.values() {
-            self.topo_sort(*idx, &idx_to_node, &edges, &mut visited, &mut order);
+        for idx in 0..nodes.len() {
+            self.topo_sort(idx, &idx_to_node, &edges, &mut visited, &mut order);
         }
         return order
     }