From bf2fa40e4efe5fa48b861f365f9adf6e9bfc1838 Mon Sep 17 00:00:00 2001
From: Trevor Elliott <telliott@fastly.com>
Date: Wed, 28 Sep 2022 17:23:54 -0700
Subject: [PATCH] Stabilize the error output order (#4976)

---
 cranelift/isle/isle/src/overlap.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cranelift/isle/isle/src/overlap.rs b/cranelift/isle/isle/src/overlap.rs
index 96f324f16d..1c8542c534 100644
--- a/cranelift/isle/isle/src/overlap.rs
+++ b/cranelift/isle/isle/src/overlap.rs
@@ -65,7 +65,11 @@ impl Errors {
             (src, span)
         };
 
-        while let Some((&id, _)) = self.nodes.iter().max_by_key(|(_, edges)| edges.len()) {
+        while let Some((&id, _)) = self
+            .nodes
+            .iter()
+            .max_by_key(|(id, edges)| (edges.len(), *id))
+        {
             let node = self.nodes.remove(&id).unwrap();
             for other in node.iter() {
                 if let Entry::Occupied(mut entry) = self.nodes.entry(*other) {