[Bug debug/39485] -O0 -g still puts whole object to a register

["jan dot kratochvil at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #3 from jan dot kratochvil at redhat dot com  2009-03-18 18:01 -------
I see I messed it up, in some way was gcc-4.4 more correct than gcc-4.3
Thanks for the fix although now I would not probably bugreport it at all.

It turned PASS->XFAIL.
But in fact PASS means SKIP(not-testable) and XFAIL means PASS - for GDB.

gdb.cp/classes.exp:
    # This class is so small that an instance of it can fit in a register.
    # When gdb tries to call a method, it gets embarrassed about taking
    # the address of a register.
    #
    # TODO: I think that message should be a PASS, not an XFAIL.
    # gdb prints an informative message and declines to do something
    # impossible.
    #
    # The method call actually succeeds if the compiler allocates very
    # small classes in memory instead of registers.  So this test does
    # not tell us anything interesting if the call succeeds.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39485