From f602c02cebd871d04f6c183b6fb3f70bc4ed50ed Mon Sep 17 00:00:00 2001
From: Elizabeth Mattijsen <liz@wenzperl.nl>
Date: Fri, 3 Jan 2020 23:39:39 +0100
Subject: [PATCH] Don't handle 1-element lists differently with roundrobin

Fixes #3402  xingminglai++ for spotting, jnthn++ for the fix
---
 src/core.c/Rakudo/Iterator.pm6 | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/core.c/Rakudo/Iterator.pm6 b/src/core.c/Rakudo/Iterator.pm6
index e5912927682..f8bdd50f6cd 100644
--- a/src/core.c/Rakudo/Iterator.pm6
+++ b/src/core.c/Rakudo/Iterator.pm6
@@ -3257,13 +3257,9 @@ class Rakudo::Iterator {
     }
     method RoundrobinIterables(@iterables) {
         nqp::if(
-          nqp::isgt_i((my int $n = @iterables.elems),1),  # reifies
+          nqp::isgt_i(@iterables.elems,0),  # reifies
           RoundrobinIterables.new(@iterables),
-          nqp::if(
-            nqp::iseq_i($n,0),
-            Rakudo::Iterator.Empty,
-            nqp::atpos(nqp::getattr(@iterables,List,'$!reified'),0).iterator
-          )
+          Rakudo::Iterator.Empty,
         )
     }