Upgrade to pcre2-10.33 (2019-04-16).

Test: treehugger
Change-Id: I4c9d87617cb7ede4627974ffd530666eb0123121
diff --git a/dist2/testdata/testinput12 b/dist2/testdata/testinput12
index b0ab909..466fb93 100644
--- a/dist2/testdata/testinput12
+++ b/dist2/testdata/testinput12
@@ -381,5 +381,25 @@
     \x{100}
 \= Expect no match
     aaa
+    
+# Offsets are different in 8-bit mode. 
+
+/(?<=abc)(|def)/g,utf,replace=<$0>,substitute_callout
+    123abcáyzabcdef789abcሴqr
+    
+# A few script run tests in non-UTF mode (but they need Unicode support)
+
+/^(*script_run:.{4})/
+    \x{3041}\x{30a1}\x{3007}\x{3007}   Hiragana Katakana Han Han
+    \x{30a1}\x{3041}\x{3007}\x{3007}   Katakana Hiragana Han Han
+    \x{1100}\x{2e80}\x{2e80}\x{1101}   Hangul Han Han Hangul
+ 
+/^(*sr:.*)/utf,allow_surrogate_escapes
+    \x{2e80}\x{3105}\x{2e80}\x{30a1}   Han Bopomofo Han Katakana
+    \x{d800}\x{dfff}                   Surrogates (Unknown) \=no_utf_check
+
+/(?(n/utf
+
+/(?(á/utf
 
 # End of testinput12