Is this a concurrency bug in base?

[Jean-Marie Gaillourdet]

Hi Simon, 


On 12.10.2011, at 10:34, Simon Peyton-Jones wrote:

> Did you try 7.2?  As I mentioned, the issue should have gone away entirely because there is no shared cache any more

Yes, I did test it with GHC 7.2. And yes, with GHC 7.2 typeOf is fine. I continued to look into that issue because I am interested in a practically working solution running with GHC 6.12 and 7.0. I am sorry if I didn't make that clear enough.

Cheers,
  Jean