[GHC] #14351: reverse-errors doesn't affect instance errors

[GHC]

#14351: reverse-errors doesn't affect instance errors
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           Reporter:  br1            |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.2.1
           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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 In the following sample code, the errors are in the same order with and
 without -freverse-errors:
 {{{
 data Foo = Foo
 data Bar = Bar
 instance Show (Foo Int)
 instance Read (Bar Int)
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14351>
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