File 0587-Get-rid-of-useless-setelement-in-array-mod... of Package erlang

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File 0587-Get-rid-of-useless-setelement-in-array-module.patch of Package erlang (Revision 13808be221626a875b26c001c1f2ed61)

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From b4f73263b11efd7298ca320a6025952b2be99066 Mon Sep 17 00:00:00 2001
From: Richard Carlsson <richardc@klarna.com>
Date: Mon, 11 Mar 2019 15:54:47 +0100
Subject: [PATCH 1/4] Get rid of useless setelement in array module

---
 lib/stdlib/src/array.erl | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/stdlib/src/array.erl b/lib/stdlib/src/array.erl
index 939b1fb488..904d977faf 100644
--- a/lib/stdlib/src/array.erl
+++ b/lib/stdlib/src/array.erl
@@ -129,8 +129,9 @@
 -define(LEAFSIZE, 10).		% the "base"
 -define(NODESIZE, ?LEAFSIZE).   % (no reason to have a different size)
 -define(NODEPATTERN(S), {_,_,_,_,_,_,_,_,_,_,S}). % NODESIZE+1 elements!
--define(NEW_NODE(S),  % beware of argument duplication!
-	setelement((?NODESIZE+1),erlang:make_tuple((?NODESIZE+1),(S)),(S))).
+-define(NEW_NODE(E,S),  % general case (currently unused)
+        setelement((?NODESIZE+1),erlang:make_tuple((?NODESIZE+1),(E)),(S))).
+-define(NEW_NODE(S), erlang:make_tuple((?NODESIZE+1),(S))).  % when E = S
 -define(NEW_LEAF(D), erlang:make_tuple(?LEAFSIZE,(D))).
 -define(NODELEAFS, ?NODESIZE*?LEAFSIZE).
 
-- 
2.16.4

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File 0587-Get-rid-of-useless-setelement-in-array-module.patch of Package erlang (Revision 13808be221626a875b26c001c1f2ed61)

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