From 8d3e0237887e7149be56d17a9448cb465edc5f76 Mon Sep 17 00:00:00 2001
From: Karl Williamson <khw@cpan.org>
Date: Thu, 22 Aug 2019 10:16:14 -0600
Subject: [PATCH] regcomp.c: Fix wrong limit test
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Spotted by Hugo van der Sanden in code reading.

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 regcomp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/regcomp.c b/regcomp.c
index aba6648da5..d61fd434fe 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -23132,7 +23132,7 @@ Perl_parse_uniprop_string(pTHX_
 
     /* If the original input began with 'In' or 'Is', it could be a subroutine
      * call to a user-defined property instead of a Unicode property name. */
-    if (    non_pkg_begin + name_len > 2
+    if (    name_len - non_pkg_begin > 2
         &&  name[non_pkg_begin+0] == 'I'
         && (name[non_pkg_begin+1] == 'n' || name[non_pkg_begin+1] == 's'))
     {
-- 
2.21.0