[Bug c/107348] documentation: __builtin_classify_type() undocumented

[colomar.6.4.3 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107348
--- Comment #4 from Alejandro Colomar <colomar.6.4.3 at gmail dot com> ---
Hmm.  Then I wonder if array_type_class is being used at all, or if it's unused
code.