temporarily disable sawcaps part of optimization

Author: TimToady

src/QRegex/Cursor.nqp

@@ -851,7 +851,7 @@ class NQPCursor does NQPCursorRole {
             # For captures with lists, initialize the lists.
             my %caplist := $NO_CAPS;
             my $rxsub   := nqp::getattr(self, NQPCursor, '$!regexsub');
-            my int $sawcaps := 0;
+            my int $sawcaps := 1;
             if !nqp::isnull($rxsub) && nqp::defined($rxsub) {
                 %caplist := nqp::can($rxsub, 'CAPS') ?? $rxsub.CAPS() !! nqp::null();
                 if !nqp::isnull(%caplist) && nqp::istrue(%caplist) {