From bb7ecc8753d4f86d8319c724f70e5246f3d60b40 Mon Sep 17 00:00:00 2001
From: Morgan Phillips <winter2718@gmail.com>
Date: Mon, 25 Jul 2016 01:05:15 -0700
Subject: [PATCH] Change variable name to something more descriptive.

---
 src/libcretonne/cfg.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/libcretonne/cfg.rs b/src/libcretonne/cfg.rs
index c853d81831..696c364af2 100644
--- a/src/libcretonne/cfg.rs
+++ b/src/libcretonne/cfg.rs
@@ -120,14 +120,14 @@ impl ControlFlowGraph {
             Some(eb) => eb,
         };
         let mut seen = HashSet::new();
-        let mut stack_a = vec![entry_block];
+        let mut open_nodes = vec![entry_block];
         let mut finished = BTreeMap::new();
-        while stack_a.len() > 0 {
-            let cur = stack_a.pop().unwrap();
+        while open_nodes.len() > 0 {
+            let cur = open_nodes.pop().unwrap();
             for child in &self.data[cur].successors {
                 if *child != cur && !seen.contains(&child) {
                     seen.insert(child);
-                    stack_a.push(child.clone());
+                    open_nodes.push(child.clone());
                 }
             }
             let index = finished.len();