[GHC] #2945: trace history should not be context/resume specific but global

[GHC]

#2945: trace history should not be context/resume specific but global
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 Reporter:  phercek           |          Owner:                  
     Type:  feature request   |         Status:  new             
 Priority:  normal            |      Milestone:                  
Component:  GHCi              |        Version:  6.10.1          
 Severity:  normal            |     Resolution:                  
 Keywords:  debugger          |       Testcase:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
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Comment (by phercek):

 By global, I meant the same place where top level bindings are (so the
 trace history would get removed when modules are reloaded).

 May be the resume context should keep the mumber of hisotry records
 contributed from the current resume context, so that they can be purged
 when ":abandon" is issued. I do not have strong opinion about this since I
 almost never use ":abandon".

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2945#comment:1>
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