darcs patch: fix and simplify ghci024 (was: validate breaks!)

[Claus Reinke]

> I'm testing the fix now. Claus, I'm not very fluent with Python, care  
> if I send you the patch to ghci024.py for revision?

what little i know of python, i learned for this testsuite!-)
(very odd-feeling language - as if someone had taken perl,
 and systematically removed all the features i like; so my
 usage is probably very un-idiomatic..)

since ghc 6.9 and 6.8 flags appear to be diverging rapidly, 
i've taken the liberty to simplify ghci024.py, to make future 
edits easier.

i've included Pepe's fixes and accounted for the different
default for -fprint-bind-result in 6.8, assuming that is not
going to be merged (Ian?).

the test now runs clean on a recent head. could someone
please verify with 6.8, and apply this testsuite patch?

thanks,
claus

Wed Nov 14 13:00:43 GMT Standard Time 2007  claus.reinke at talk21.com
  * simplify ghci024.py, fix -fprint-bind-result, -fno-ignore-breakpoints, -fprint-bind-contents

  - as ghc 6.9 flags are beginning to diverge, we need
    a simpler way of specifying version-specific flags
    or settings: have two entirely separate sections,
    instead of one section with too many patches.

    even if that doubles the script size, it should
    be easier to edit. also add a warning that
    ghci024.stdout is a generated file.

  - default for -fprint-bind-result has changed

  - -fno-ignore-breakpoints is gone

  - -fprint-bind-contents is new

   M ./tests/ghc-regress/ghci/scripts/ghci024.py -11 +112
   M ./tests/ghc-regress/ghci/scripts/ghci024.script +1

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