[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:              |
-------------------------------+-------------------------------------------

Comment (by ezyang):

 Hey Reid, I wanted to use your test case, but its use of /dev/null makes
 it not portable. Can you fix that?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8303#comment:8>
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