c++/6212: g++ testsuite EH regressions for irix6 -mabi=64

[Billinghurst, David (CRTS)]

The tests now pass on 3.1 and 3.2.  I am unsure if the PR should be closed, 
or if the problem that rth mentions is still present. 

Running target unix/-mabi=64

		=== g++ Summary for unix/-mabi=64 ===

# of expected passes		7009
# of expected failures		96
# of untested testcases		23
# of unsupported tests		4

 It was fixed:
 - after Wed Apr 24 02:19:44 2002 UTC, and
 - before Thu Apr 25 01:00:00 2002 UTC