From 5463fde203e68ee33aa7509a541c59be897b45ed Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <jolesen@mozilla.com>
Date: Wed, 17 Jan 2018 09:52:31 -0800
Subject: [PATCH] Don't print unused pressure classes.

---
 lib/cretonne/src/regalloc/pressure.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cretonne/src/regalloc/pressure.rs b/lib/cretonne/src/regalloc/pressure.rs
index 0ee39b07d5..c71037efdd 100644
--- a/lib/cretonne/src/regalloc/pressure.rs
+++ b/lib/cretonne/src/regalloc/pressure.rs
@@ -258,7 +258,7 @@ impl fmt::Display for Pressure {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "Pressure[")?;
         for rc in &self.toprc {
-            if rc.limit > 0 {
+            if rc.limit > 0 && rc.limit < !0 {
                 write!(f, " {}+{}/{}", rc.base_count, rc.transient_count, rc.limit)?;
             }
         }