From 67c4cb1f13e0a8dbbe8d2447165f27b2ef8e48fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20v=2E=20L=C3=B6wis?= <martin@v.loewis.de>
Date: Thu, 26 Sep 2002 16:39:20 +0000
Subject: Disable big charsets in UCS-4 builds. Works around #599377. Will
 backport to 2.2

---
 Lib/sre_compile.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 30957a8..e5adb7e 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -188,6 +188,9 @@ def _optimize_charset(charset, fixup):
                 # XXX: could append to charmap tail
                 return charset # cannot compress
     except IndexError:
+        if sys.maxunicode != 65535:
+            # XXX: big charsets don't work in UCS-4 builds
+            return charset
         # character set contains unicode characters
         return _optimize_unicode(charset, fixup)
     # compress character map
-- 
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