r218141 - In the Itanium ABI, move stuff to the comdat of variables with static init.

[Rafael Espíndola]

> Based on talking to David, we think the frontend should be responsible for
> picking whether things are ODR or not, and then LLVM optimizations can
> continue to be mostly ignorant of comdats. For example, the D5 destructor
> comdat group functions should all be inlinable.

+1 :-)

Cheers,
Rafael