* gdb.cp/ovldbreak.cc: Add missing bodies for methods foo::foofunc.

    * gdb.cp/ovldbreak.cc: Add missing bodies for methods foo::foofunc.
        * gdb.cp/ovldbreak.exp: Set multiple-symbols to "ask".
        Add a couple of tests that verify the behavior when the new setting
        is set to "cancel" and "all".
        * gdb.cp/method2.exp, gdb.cp/templates.exp: Set multiple-symbols to
        "ask" before we start the testing.