Fix sometimes failing caseless non-ASCII matching in assertion.

git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1185 6239d852-aaf2-0410-a92c-79f79f948069

1 files changed, 5 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index dd52203..27033ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -177,6 +177,11 @@ sanitizer complaint (regexec is supposed to be thread safe).
 37. Add NEON vectorization to JIT to speed up matching of first character and
 pairs of characters on ARM64 CPUs.
 
+38. If a non-ASCII character was the first in a starting assertion in a
+caseless match, the "first code unit" optimization did not get the casing
+right, and the assertion failed to match a character in the other case if it
+did not start with the same code unit.
+
 
 Version 10.33 16-April-2019
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