[Issue 17127] bad example code for std.concurrency.Generator

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17127

--- Comment #5 from Seb <greensunny12 at gmail.com> ---
https://github.com/dlang/phobos/pull/5873 is the only bit left, but that's
currently failing on 32-bit testers.

--