* pt.c (check_default_tmpl_args): Don't check in local scopes.
(tsubst_decl): Make sure the declaration is on a saveable
obstack. Clear DECL_DEAD_FOR_LOCAL when making a copy of a local
variable.
(tsubst_expr): Adjust now that DECL_STMTs really contain DECLs.
From-SVN: r28715
