[Bug c++/70318] `std::sqrt(int)` Produces -Wfloat-conversion Warning, Erroneous After C++11.

[ian at geometrian dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70318

--- Comment #2 from Ian Mallett <ian at geometrian dot com> ---
"Did you interpret the standard as providing int sqrt(int);" Yes; I did. You're
right; what is supposed to exist is just "double sqrt(int);". Sorry for the
noise.