gc-improv code merged to mainline, trunk is still frozen

[Joern Rennecke]

Quoting Laurynas Biveinis <laurynas.biveinis@gmail.com>:

> I forgot in my previous e-mail the actual diff and the ChangeLogs of
> the gc-improv merge, attaching now.

Your gcc/gcc/cp/ChangeLog entry starts with 'Likewise.'