[GHC] #7476: -ddump-minimal-imports confused if first line is an import

[GHC]

#7476: -ddump-minimal-imports confused if first line is an import
---------------------------------+------------------------------------------
    Reporter:  dag               |       Owner:  simonpj         
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:                  
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonpj@…):

 commit 156d30d76c87230d1bb5374ccec4aa73387fec9a
 {{{
 Author: Simon Peyton Jones <simonpj at microsoft.com>
 Date:   Tue Dec 4 10:58:36 2012 +0000

     Fix buglet in -ddump-minimal-imports (Trac #7476)

     We were mixing up the *implicit* import of Prelude
     with a user-written import declaration

  compiler/rename/RnNames.lhs |   40
 +++++++++++++++++++++++++++-------------
  1 files changed, 27 insertions(+), 13 deletions(-)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7476#comment:2>
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