Don't use nqp::iterator for Capture.WHICH

rakudo · Dec 1, 2020 · 912381b · 912381b
1 parent 6ee47f0
commit 912381b
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/core.c/Capture.pm6 b/src/core.c/Capture.pm6
@@ -19,9 +19,9 @@ my class Capture { # declared in BOOTSTRAP
         my Mu $WHICH := nqp::list_s(nqp::eqaddr(self.WHAT,Capture) ?? 'Capture' !! nqp::unbox_s(self.^name));
         if nqp::isconcrete(@!list) && nqp::elems(@!list) {
             nqp::push_s($WHICH, '|');
-            my Mu $iter := nqp::iterator(@!list);
-            while $iter {
-                my Mu \value = nqp::shift($iter);
+            my Mu $list := nqp::clone(@!list);
+            while $list {
+                my Mu \value = nqp::shift($list);
                 nqp::push_s($WHICH, '(');
                 nqp::push_s($WHICH, nqp::unbox_s(value.VAR.WHICH));
                 nqp::push_s($WHICH, ')');