- Some variables in I_S.GLOBAL_STATUS were depending on a network
  connection in order to evaluate. Since no network connection is 
  present during the execution of an event, this caused the server
  to crash.
- The variable function hooks does now verify that the vio-
  object is valid before attempting to use it.


mysql-test/r/information_schema.result:
  Added test case.
mysql-test/t/information_schema.test:
  Added test case.