Numerous testsuite failures on ARM due to missing mkJumpToAddr

Numerous ghci tests in the testsuite currently fail on ARM due to the lack of a mkJumpToAddr definition. These failures look like,

ghc-stage2: panic! (the 'impossible' happened)
  (GHC version 7.7.20130927 for arm-unknown-linux):
       mkJumpToAddr not defined for ArchARM {armISA = ARMv7, armISAExt =  FPv3,NEON], armABI = HARD}

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

As it turns out mkJumpToAddr is fairly straightforward to implement. I've done this in https://github.com/bgamari/ghc/tree/arm. This brings the number of unexpected failures in tests/ghci from 44 to 4. These four failures are segmentation faults that I need to look more closely at.

Trac metadata

Trac field	Value
Version	7.7
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
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Operating system
Architecture