Ensure jitfast is used when set with replace in pcre2test

Author: PhilipHazel

ChangeLog

@@ -197,6 +197,9 @@ all of a, b, and d as possible starting code units; now it sets only a and d.
 
 54. Fix incorrect class character matches in JIT.
 
+55. In pcre2test, ensure pcre2_jit_match() is used when jitfast is used with 
+substitution testing.
+
 
 Version 10.42 11-December-2022
 ------------------------------

src/pcre2test.c

@@ -7513,9 +7513,9 @@ if (dat_datctl.replacement[0] != 0 && (dat_datctl.control & CTL_DFA) != 0)
   dat_datctl.replacement[0] = 0;
   }
 
-/* If a replacement string is provided, call pcre2_substitute() instead of one
-of the matching functions. First we have to convert the replacement string to
-the appropriate width. */
+/* If a replacement string is provided, call pcre2_substitute() instead of or
+after one of the matching functions. First we have to convert the replacement
+string to the appropriate width. */
 
 if (dat_datctl.replacement[0] != 0)
   {
@@ -7559,8 +7559,16 @@ if (dat_datctl.replacement[0] != 0)
 
   if (emoption != 0)
     {
-    PCRE2_MATCH(rc, compiled_code, pp, arg_ulen, dat_datctl.offset,
-      dat_datctl.options, match_data, use_dat_context);
+    if ((pat_patctl.control & CTL_JITFAST) != 0)
+      {
+      PCRE2_JIT_MATCH(rc, compiled_code, pp, arg_ulen, dat_datctl.offset,
+        dat_datctl.options, match_data, use_dat_context);
+      }
+    else
+      {
+      PCRE2_MATCH(rc, compiled_code, pp, arg_ulen, dat_datctl.offset,
+        dat_datctl.options, match_data, use_dat_context);
+      }
     }
 
   xoptions = emoption |

testdata/testinput17

@@ -306,5 +306,8 @@
 
 //jit
     \=null_subject
+    
+/(.)(.)/jitfast,replace=$2+$1
+    ABCD
 
 # End of testinput17

testdata/testoutput17

@@ -553,5 +553,9 @@ Failed: error -47: match limit exceeded
 //jit
     \=null_subject
  0:  (JIT)
+    
+/(.)(.)/jitfast,replace=$2+$1
+    ABCD
+ 1: B+ACD
 
 # End of testinput17