[GHC] #15089: Compiling stage2 with -g causes spurious test suite failures due to stderr mismatches

[GHC]

#15089: Compiling stage2 with -g causes spurious test suite failures due to stderr
mismatches
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           Reporter:  mpickering     |             Owner:  (none)
               Type:  task           |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Compiler       |           Version:  8.2.2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 If you compile stage2 libraries with -g by using `GhcLibHcOpts` then many
 tests fail with stderr mismatch errors.
 It would perhaps be more robust to pass `-dsuppress-ticks` by default to
 tests so that it is possible to compile with debugging information and
 still run tests successfully.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15089>
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