[GHC] #8322: Report all missing module, not just the first or last

[GHC]

#8322: Report all missing module, not just the first or last
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        Reporter:  nomeata           |            Owner:  nomeata
            Type:  feature request   |           Status:  patch
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"63b8147f01bd7bd4a46fb013998f138bce3139be/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="63b8147f01bd7bd4a46fb013998f138bce3139be"
 Load all modules before reporting errors (#8322)

 Instead of reporting only one "module not found"" error.

 Signed-off-by: Austin Seipp <austin at well-typed.com>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8322#comment:4>
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