Backporting srcLoc to the GHC 7.10 branch

[Niklas Hambüchen]

On 21/04/15 01:29, Niklas Hambüchen wrote:
> We would like to make 7.8 and 7.10 binaries with this feature available as 
> well, and will do so after getting a review!

Here's a 64-bit Linux binary distribution of 7.10 including this backport:

  https://github.com/nh2/ghc/releases/tag/ghc-7.10.1-release-srcloc-ip

Please have a review of the backport still :)