[Bug libstdc++/81808] 27_io /basic_fstream/53984.cc failure on AIX

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81808

--- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> ---
After in >> x, x appears to contain the value 0x02ff22770.