This patch removes all uses of "assert" in the regression test suite

and replaces them with a new API verify(). As a result the regression
suite will also perform its tests in optimization mode.

Written by Marc-Andre Lemburg. Copyright assigned to Guido van Rossum.

Lib/test/test_thread.py

@@ -2,7 +2,7 @@
 
 # Create a bunch of threads, let each do some work, wait until all are done
 
-from test_support import verbose
+from test_support import verify, verbose
 import random
 import thread
 import time