[polly] r281052 - FlattenAlgo: Ensure we _really_ obtain a param space

[Tobias Grosser via llvm-commits]

On Fri, Sep 9, 2016, at 06:37 PM, Michael Kruse via llvm-commits wrote:
> Thank you for finding a fix.
> 
> This is somewhat strange. Isn't isl_union_map_get_space defined to
> return a parameter space?

Right.

> What is different on those machines where it
> happened?

They are owned by me. Seriously, I have no idea. This is very strange. I
spent 30 minutes to look into this but was not able to find anything
useful. :(

Best,
Tobias