From 9be6c3ddf09ce4bc5768f708867e6b30a5bc78cb Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 21 Feb 2012 00:40:14 -0500
Subject: [PATCH] kill interned strings computed before random initialization

---
 Modules/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Modules/main.c b/Modules/main.c
index 6d1ae9ed687..824badafbe0 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -397,6 +397,12 @@ Py_Main(int argc, char **argv)
 
         case 'W':
             PySys_AddWarnOption(_PyOS_optarg);
+            /* Extremely obscure hack: if _PyOS_optarg was one character,
+               PyString_FromString in PySys_AddWarnOption will try to intern
+               it. This is bad because hash randomization has not been setup
+               yet, so the string will get the wrong hash. The following call
+               will cause all the cached characters to be released. */
+            PyString_Fini();
             break;
 
         case 'R':