Restore buffer after an ACCEPT inside an scan substring block

Author: zherczeg

src/pcre2_match.c

@@ -5895,6 +5895,9 @@ fprintf(stderr, "++ %2ld op=%3d %s\n", Fecode - mb->start_code, *Fecode,
               assert_accept_frame->offset_top * sizeof(PCRE2_SIZE));
         Foffset_top = assert_accept_frame->offset_top;
         Fmark = assert_accept_frame->mark;
+        mb->end_subject = Lsaved_end_subject;
+        mb->true_end_subject = mb->end_subject + Ltrue_end_extra;
+        mb->moptions = Lsaved_moptions;
         break;
         }
 

testdata/testinput2

@@ -6753,6 +6753,9 @@ a)"xI
     abxyz
     efgxyz
 
+/(a)(b+)(*scs:(1)a(*ACCEPT))(\2)/
+    abbb
+
 # Duplicated capture references
 
 /(a)(b)(c)(d)(*scs:(4,3,1,2,2,1,3,3,4,4)x)/B

testdata/testoutput2

@@ -20258,6 +20258,13 @@ No match
  2: 
  3: 
 
+/(a)(b+)(*scs:(1)a(*ACCEPT))(\2)/
+    abbb
+ 0: abb
+ 1: a
+ 2: b
+ 3: b
+
 # Duplicated capture references
 
 /(a)(b)(c)(d)(*scs:(4,3,1,2,2,1,3,3,4,4)x)/B