diff -r 04b10fa9aa67 Lib/test/regrtest.py
--- a/Lib/test/regrtest.py	Thu Jan 27 08:34:45 2011 +0100
+++ b/Lib/test/regrtest.py	Thu Jan 27 18:47:43 2011 +0100
@@ -315,7 +315,13 @@
         elif o in ('-T', '--coverage'):
             trace = True
         elif o in ('-D', '--coverdir'):
-            coverdir = os.path.join(os.getcwd(), a)
+            # CWD is replaced with a temporary dir before calling main(), so we
+            # need to check if it's a relative path, and join it with the
+            # saved CWD
+            if os.path.isabs(a):
+                coverdir = a
+            else:
+                coverdir = os.path.join(support.SAVEDCWD, a)
         elif o in ('-N', '--nocoverdir'):
             coverdir = None
         elif o in ('-R', '--huntrleaks'):