[Bug c++/78533] tree check fail in int_fits_type_p, at tree.c:9153

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78533

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
I forgot to mention that flag -O3 is required to cause the tree check fail.