[Bug libstdc++/85439] mt19937_64 producing unexpected result only in certain configuration

[foddex at foddex dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85439

--- Comment #7 from Marc "Foddex" Oude Kotte <foddex at foddex dot net> ---
OK. My apologies for the confusion, and thanks for the clarification!