From 68f9c495178a04e055cf1b25e63edd0e59461183 Mon Sep 17 00:00:00 2001
From: "Philip.Hazel" <Philip.Hazel@gmail.com>
Date: Tue, 25 Feb 2020 16:47:36 +0000
Subject: [PATCH] Fix bug introduced in recent UCP changes (writing outside
 starting code unit bitmap for non-UTF caseless character U+00DF).

---
 src/pcre2_study.c    | 2 +-
 testdata/testinput5  | 2 ++
 testdata/testoutput5 | 2 ++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/pcre2_study.c b/src/pcre2_study.c
index 02d1c08..fc29969 100644
--- a/src/pcre2_study.c
+++ b/src/pcre2_study.c
@@ -824,7 +824,7 @@ if (caseless)
       (void)PRIV(ord2utf)(c, buff);
       SET_BIT(buff[0]);
       }
-    else SET_BIT(c);    
+    else if (c < 256) SET_BIT(c);    
 #else  /* 16-bit or 32-bit mode */
     if (c > 0xff) SET_BIT(0xff); else SET_BIT(c);
 #endif
diff --git a/testdata/testinput5 b/testdata/testinput5
index d90b66d..b3fcfef 100644
--- a/testdata/testinput5
+++ b/testdata/testinput5
@@ -2179,4 +2179,6 @@
 
 /\p{Any}*xyz/I
 
+/(|ß)7/caseless,ucp
+
 # End of testinput5
diff --git a/testdata/testoutput5 b/testdata/testoutput5
index ecf01fb..5bdf873 100644
--- a/testdata/testoutput5
+++ b/testdata/testoutput5
@@ -4938,4 +4938,6 @@ Overall options: anchored
 Last code unit = 'z'
 Subject length lower bound = 3
 
+/(|ß)7/caseless,ucp
+
 # End of testinput5