* pt.c (tsubst_decl, case FUNCTION_DECL): Clear DECL_SAVED_TREE.
        (tsubst_friend_function): Copy it here.

        * decl.c (grok_op_properties): Fix typo.

        * decl2.c (delete_sanity): Clarify warning, avoid failure on
        deleting void*.

        * pt.c (check_explicit_specialization): Clarify error.

        * decl.c (pushdecl): Also pull out one of the FUNCTION_DECLs from
        an old OVERLOAD when we're declaring a non-function.
        (pushdecl, destroy_local_var): Check for error_mark_node.
        (warn_extern_redeclared_static): Also bail early if
        we're a CONST_DECL.
        (push_overloaded_decl): Ignore an old error_mark_node.

From-SVN: r34652