From ac68997dbd16c297ccb2986900e8ba1279282cdf Mon Sep 17 00:00:00 2001
From: "crowder@fiverocks.com" <crowder@fiverocks.com>
Date: Mon, 11 Feb 2008 12:23:28 -0800
Subject: [PATCH] Bug 416615 - Optimize JS_MAX(upcase(localMax),
 downcase(localMax)), r=mrbkap, blocking1.9=brendan, idea from
 BijuMailList@gmail.com

---
 js/src/jsregexp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/src/jsregexp.c b/js/src/jsregexp.c
index 0b98cc1db912..c435778fbc74 100644
--- a/js/src/jsregexp.c
+++ b/js/src/jsregexp.c
@@ -1055,7 +1055,10 @@ lexHex:
             break;
         }
         if (state->flags & JSREG_FOLD) {
-            c = (jschar) JS_MAX(upcase(localMax), downcase(localMax));
+            jschar uc = upcase(localMax);
+            jschar dc = downcase(localMax);
+
+            c = JS_MAX(uc, dc);
             if (c > localMax)
                 localMax = c;
         }