Copy note from leakers README here too.  We want to keep all test cases.

Lib/test/crashers/README

diff --git a/Lib/test/crashers/README b/Lib/test/crashers/README
index 9369282..070c3f1 100644
--- a/Lib/test/crashers/README
+++ b/Lib/test/crashers/README
@@ -13,3 +13,8 @@
 Put as much info into a docstring or comments to help determine
 the cause of the failure.  Particularly note if the cause is
 system or environment dependent and what the variables are.
+
+Once the crash is fixed, the test case should be moved into an appropriate
+test (even if it was originally from the test suite).  This ensures the
+regression doesn't happen again.  And if it does, it should be easier
+to track down.