[GHC] #3979: +RTS -S inserts only the last three commas into large allocation sums

[GHC]

#3979: +RTS -S inserts only the last three commas into large allocation sums
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    Reporter:  wkahl           |        Owner:            
        Type:  bug             |       Status:  new       
    Priority:  high            |    Milestone:  6.14.1    
   Component:  Runtime System  |      Version:  6.12.1 RC1
    Keywords:                  |   Difficulty:            
          Os:  Linux           |     Testcase:            
Architecture:  powerpc         |      Failure:  Other     
-------------------------------+--------------------------------------------

Comment(by simonmar):

 The code is ancient, I don't think it was even written by me.  Feel free
 to nuke `ullong` and do the right thing.  I'd be inclined to use
 `StgWord64`.  We could define `StgWord64` in terms of `uint64_t`, but it's
 an unforced change.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3979#comment:2>
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