https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92385
--- Comment #2 from Carl <edquist at cs dot wisc.edu> --- Created attachment 47181 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47181&action=edit source that does not exhibit bad compilation performance Note the constructor initializes the member with parens: "item_array() : a() {}"
