* decl.c (push_throw_library_fn): Take the FUNCTION_TYPE.
        * except.c (expand_end_eh_spec): Add the return type.
        * rtti.c (throw_bad_cast): Add the parmtypes.
        (throw_bad_typeid): Likewise.

        * semantics.c (expand_stmt): Only leave out rtl for unused
        artificials, and set DECL_IGNORED_P on them as well.
        * decl.c (wrapup_globals_for_namespace): Likewise.

        * decl.c (maybe_commonize_var): Skip all artificial decls.
        * pt.c (tsubst_decl): Don't copy TREE_ASM_WRITTEN.

From-SVN: r32475