[GHC] #8303: defer StackOverflow exceptions (rather than dropping them) when exceptions are masked

[GHC]

#8303: defer StackOverflow exceptions (rather than dropping them) when exceptions
are masked
-------------------------------+-------------------------------------------
        Reporter:  rwbarton    |            Owner:  ezyang
            Type:  bug         |           Status:  patch
        Priority:  normal      |        Milestone:
       Component:  Runtime     |          Version:  7.7
  System                       |         Keywords:
      Resolution:              |     Architecture:  Unknown/Multiple
Operating System:              |       Difficulty:  Easy (less than 1 hour)
  Unknown/Multiple             |       Blocked By:
 Type of failure:              |  Related Tickets:
  None/Unknown                 |
       Test Case:              |
        Blocking:              |
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Comment (by rwbarton):

 Here is a test, adapted from the original program. I tested that it fails
 currently and passes if I replace `(hPutStrLn h "Hi")` by `(return ())`; I
 haven't tested your patch, Edward.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8303#comment:5>
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