re_tests: Add TODO test

diff --git a/t/re/re_tests b/t/re/re_tests
index 5708de1..9807e0f 100644 (file)
--- a/t/re/re_tests
+++ b/t/re/re_tests
@@ -1535,4 +1535,7 @@ abc\N{def -       c       -       \\N{NAME} must be resolved by the lexer
 /^\p{L_}/      \x{3400}        n       -       -
 /^\p{L}/       \x{3400}        y       $&      \x{3400}
 
+# RT #89774
+/s\xDF/ui      \xDFs   yT      $&      \xDFs
+
 # vim: softtabstop=0 noexpandtab