[GHC] #9303: O2: (GHC version 7.8.3 for x86_64-unknown-linux): allocateRegsAndSpill: Cannot read from uninitialized register %vI_s1Mp

[GHC]

#9303: O2: (GHC version 7.8.3 for x86_64-unknown-linux): allocateRegsAndSpill:
Cannot read from uninitialized register %vI_s1Mp
---------------------------------------+----------------------------------
        Reporter:  slyfox              |            Owner:  simonmar
            Type:  bug                 |           Status:  new
        Priority:  highest             |        Milestone:  7.8.4
       Component:  Compiler (NCG)      |          Version:  7.8.3
      Resolution:                      |         Keywords:
Operating System:  Unknown/Multiple    |     Architecture:  x86_64 (amd64)
 Type of failure:  Compile-time crash  |       Difficulty:  Unknown
       Test Case:                      |       Blocked By:
        Blocking:                      |  Related Tickets:
---------------------------------------+----------------------------------
Changes (by simonmar):

 * priority:  normal => highest
 * milestone:   => 7.8.4


--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9303#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler