[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 #2 from Alejandro Colomar <colomar.6.4.3 at gmail dot com> ---
Being a builtin, I expected that you could just do "compiler magic" to avoid
the decay.