1. 28 Aug, 2014 1 commit
  2. 22 Aug, 2014 1 commit
    • Edward Z. Yang's avatar
      Do not zero out version number when processing wired-in packages. · 22520cd7
      Edward Z. Yang authored
      
      
      Summary:
      Previously, GHC would look for instances of wired-in packages in the
      in-memory package database and null out the version number.  This was
      necessary when the sourcePackageId was used to determine the linker
      symbols; however, we now use a package key, so only that needs to be
      updated.
      
      Long-term, we can remove this hack by ensuring that Cabal actually records
      the proper package key in the database.  This will also fix an unrelated
      hack elsewhere.
      
      Keeping version numbers means that wired in packages get rendered differently
      when output by GHC.  This is the source of all the test-case output changes.
      Signed-off-by: default avatarEdward Z. Yang <ezyang@cs.stanford.edu>
      
      Test Plan: validate
      
      Reviewers: hvr, austin
      
      Subscribers: simonmar, ezyang, carter
      
      Differential Revision: https://phabricator.haskell.org/D170
      22520cd7
  3. 31 Jul, 2014 1 commit
    • Simon Peyton Jones's avatar
      Complete work on new OVERLAPPABLE/OVERLAPPING pragmas (Trac #9242) · 1ae5fa45
      Simon Peyton Jones authored
      * Deprecate -XOverlappingInstances
      
      * Update test suite.  Several tests even had entirely unnecessary
        uses of -XOverlappingInstances
      
      * Update user manual with a careful description of the instance
        resolution story
      
      * Fix an outright bug in the handling of duplidate instances in GHCi,
        which are meant to silently overwrite the earlier duplicate. The
        logic was right for family instances but was both more complicated,
        and plain wrong, for class instances.  (If you are interested, the
        bug was that we were eliminating the duplicate from the InstEnv, but
        not from the [ClsInst] held in tcg_insts.)  Test is ghci044a.
      1ae5fa45
  4. 20 Apr, 2014 1 commit
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  11. 02 Sep, 2011 1 commit
  12. 03 Aug, 2011 1 commit