File 0398-Fix-r2f-variable-names-to-be-correct.patch of Package erlang

From 765a74154219a89f3f5eb0e7dd10fdfa313f61df Mon Sep 17 00:00:00 2001
From: zeek0x <0h23k1.n40k1@gmail.com>
Date: Mon, 21 Feb 2022 17:45:41 +0900
Subject: [PATCH 2/2] Fix r2f variable names to be correct

---
 lib/stdlib/src/queue.erl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/stdlib/src/queue.erl b/lib/stdlib/src/queue.erl
index 1ff59af782..8d9eb9f053 100644
--- a/lib/stdlib/src/queue.erl
+++ b/lib/stdlib/src/queue.erl
@@ -703,11 +703,11 @@ r2f([]) ->
     {[],[]};
 r2f([_]=R) ->
     {[],R};
-r2f([X,Y]) ->
-    {[X],[Y]};
+r2f([Y,X]) ->
+    {[Y],[X]};
 r2f(List) ->
-    {FF,RR} = lists:split(length(List) div 2, List),
-    {FF,lists:reverse(RR, [])}.
+    {RR,FF} = lists:split(length(List) div 2, List),
+    {RR,lists:reverse(FF, [])}.
 
 %% Move half of elements from F to R, if there are enough
 f2r([]) ->
-- 
2.34.1