[dmd-internals] Some typedef-related code in druntime

[kenji hara]

2012/7/17 Alex Rønne Petersen <xtzgzorex at gmail.com>:
> In import/object.di and src/object_.di, there is a templatized
> opEquals() free function that does various typedef checks with is().
>
> Is this supposed to parse at all? And further, is this function ever
> instantiated (I suspect not)? If no, can we kill it?

It is introduced with mine:
https://github.com/D-Programming-Language/druntime/pull/72

But I'll post a pull request to revert all const fixes, for the
Andrei's decision.

Kenji Hara