From 5066b03361a7e0e00dbaaad87a652cfb667f8ad8 Mon Sep 17 00:00:00 2001
From: Antoine Pitrou <solipsis@pitrou.net>
Date: Wed, 23 Mar 2011 20:10:18 +0100
Subject: [PATCH] Fix transmitting warning options to the children when running
 tests in parallel (thanks Michael for pointing this).

---
 Lib/test/support.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Lib/test/support.py b/Lib/test/support.py
index 66d7f934370..52ec2320db0 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -1389,9 +1389,8 @@ def args_from_interpreter_flags():
         v = getattr(sys.flags, flag)
         if v > 0:
             args.append('-' + opt * v)
-        if sys.warnoptions:
-            args.append('-W')
-            args.extend(sys.warnoptions)
+    for opt in sys.warnoptions:
+        args.append('-W' + opt)
     return args
 
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