[GHC] #15004: Building HEAD fails with -j3 because of unrecorded dependencies.

[GHC]

#15004: Building HEAD fails with -j3 because of unrecorded dependencies.
-------------------------------------+-------------------------------------
        Reporter:  AndreasK          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Build System      |              Version:
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4560
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by AndreasK):

 * differential:   => Phab:D4560


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15004#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler