gdb.c++ testsuite 2.1: try_catch.exp

[Andrew Cagney]

> The actual tests are very simple.  They don't test any of the
>> try/catch functionality in gdb, just the control flow of the target
>> program. A simple test is better than no test; someone can add more
>> tests to this later.
> 
> 
> Right. Actually, this has not worked in the past, so I thought it'd be
> best to start with the basics.

Try it using HP'x C++ compiler.  The re-vamped mechanism came in as part 
of the HP merge so should have at least worked there.

enjoy,
Andrew