[Bug c++/117516] [12/13/14/15 Regression] compile time hog figuring out has flexarrays since r6-5791-g7e9a3ad30076ad

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117516

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 59797
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59797&action=edit
gcc15-pr117516-wip.patch

So far just formatting cleanups and turning tree parameters/members into bool
if they are solely used in boolean contexts, just whatever I discovered while
reading the code.