[Bug c/105346] -Wno-free-nonheap-object false positive (on Bison-generated grammar code)

[tim.vanholder at anubex dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105346

--- Comment #2 from Tim Van Holder <tim.vanholder at anubex dot com> ---
Sorry, missed that update. Will see what I can do.

It is a fairly large grammar; there are 8300 lines between the declaration and
the free(). Not sure if that is likely to matter.