[Issue 11747] Better error message with @disabled toString

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=11747

Basile B. <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull

--- Comment #2 from Basile B. <b2.temp at gmx.com> ---
pull: https://github.com/dlang/phobos/pull/6047

--