Update libpcre2 to upstream version 10.22

Change-Id: I33e3c017c5653c10c98025a27fa1bc8d3c32fccd
diff --git a/dist2/testdata/testinput20 b/dist2/testdata/testinput20
index 9ec3174..c920e2a 100644
--- a/dist2/testdata/testinput20
+++ b/dist2/testdata/testinput20
@@ -1,5 +1,5 @@
-# This set of tests exercises the serialization/deserialization functions in
-# the library. It does not use UTF or JIT.
+# This set of tests exercises the serialization/deserialization and code copy
+# functions in the library. It does not use UTF or JIT.
 
 #forbid_utf
 
@@ -59,5 +59,33 @@
 
 #pop should give an error
     pqr
+    
+/abcd/pushcopy
+    abcd
+    
+#pop
+    abcd 
+
+#pop should give an error
+
+/abcd/push
+#popcopy
+    abcd
+    
+#pop
+    abcd 
+    
+/abcd/push
+#save testsaved1
+#pop should give an error
+
+#load testsaved1
+#popcopy 
+    abcd
+    
+#pop
+    abcd
+
+#pop should give an error
 
 # End of testinput20