File 2123-epp-Refactor-user_predef-2-to-share-more-code.patch of Package erlang

From da6d480a65cce9392d4da80d142600f941d52881 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Tue, 17 Nov 2015 09:16:24 +0100
Subject: [PATCH 3/6] epp: Refactor user_predef/2 to share more code

---
 lib/stdlib/src/epp.erl | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index d9a579e..87cffc9 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -593,16 +593,7 @@ user_predef([{M,Val}|Pdm], Ms) when is_atom(M) ->
 	    user_predef(Pdm, dict:store({atom,M}, [{none, {none,Exp}}], Ms))
     end;
 user_predef([M|Pdm], Ms) when is_atom(M) ->
-    case dict:find({atom,M}, Ms) of
-	{ok,_Defs} when is_list(_Defs) -> %% User defined macros
-	    {error,{redefine,M}};
-	{ok,_Def} -> %% Predefined macros
-	    {error,{redefine_predef,M}};
-	error ->
-            A = line1(),
-	    user_predef(Pdm,
-	                dict:store({atom,M}, [{none, {none,[{atom,A,true}]}}], Ms))
-    end;
+    user_predef([{M,true}|Pdm], Ms);
 user_predef([Md|_Pdm], _Ms) -> {error,{bad,Md}};
 user_predef([], Ms) -> {ok,Ms}.
 
-- 
2.1.4