https://issues.dlang.org/show_bug.cgi?id=15204
--- Comment #3 from Илья Ярошенко <ilyayaroshenko at gmail.com> ---
unittest {
double a, b;
a = -5.50533e+307;
b = 4.49423e+307;
writefln("a = %a, b = %a, (a+b)/2.0 = %a", a, b, (a+b)/2.0);
assert((a+b)/2.0 > a);
}
--