[Bug c++/58816] [4.9 Regression] ICE have tree_list in private_is_attribute_p

[dje at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58816

--- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> ---
The patch solves the regression in my recent bootstrap (testresults sent to
mailinglist).