From f4adfc60acb46a86f49627397913b6841b744ed2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Mon, 27 Apr 2015 06:15:24 +0200
Subject: test_lib: Simplify uniq/0

Simplify the uniq/0 function by using erlang:unique_integer/1.
---
 lib/compiler/test/test_lib.erl | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/compiler/test/test_lib.erl b/lib/compiler/test/test_lib.erl
index a5e2855f8c..4ffac95489 100644
--- a/lib/compiler/test/test_lib.erl
+++ b/lib/compiler/test/test_lib.erl
@@ -57,10 +57,8 @@ parallel() ->
     end.
 
 uniq() ->
-    U0 = erlang:ref_to_list(make_ref()),
-    U1 = re:replace(U0, "^#Ref", ""),
-    U = re:replace(U1, "[^[A-Za-z0-9_]+", "_", [global]),
-    re:replace(U, "_*$", "", [{return,list}]).
+    U = erlang:unique_integer([positive]),
+    "_" ++ integer_to_list(U).
 
 %% Retrieve the "interesting" compiler options (options for optimization
 %% and compatibility) for the given module.
-- 
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