Plug some bogus used uninitialized warnings

[Jeff Law]

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On 10/20/11 04:35, Jan Hubicka wrote:
> Hi, last time I tried profiledbootstrap with LTO I had to plug the
> following warnings.  Will commit it as obvoius later today.
> 
> Honza
> 
> * pt.c (unify_pack_expansion): Iniitalize bad_old_arg and
> bad_new_arg. * parser.c
> (cp_parser_ctor_initializer_opt_and_function_body): Initialize
> list.
> 
> * sched-deps.c (sched_get_condition_with_rev_uncached): Iniitalize
> tmp.
Could we somehow mark cases where we create an initialization to avoid
a bogus warning.  Just some kind of comment marker would be fine.

Jeff
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