[commit: ghc] wip/tc-plugins's head updated: Export type-constructors (93117d3)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

Branch 'wip/tc-plugins' now includes:

     8e893b1 Simon PJ work in progress on re-architecting flatten-skolems
     8596f14 More work in progress
     d6660a4 Comment wibble
     d4316a4 Add flattening notes
     c19b6a3 More wip on flatten-skolems
     84b3463 More wip on flatten-skolems
     88a007c More progress
     286637a More progress
     a74611b Merge branch 'master' into wip/new-flatten-skolems-Aug14
     9b5c9af More flatten-skolem progress
     c5f6308 Merge branch 'wip/new-flatten-skolems-Aug14' of https://git.haskell.org/ghc into wip/new-flatten-skolems-Aug14
     8505aca More progress on flatten-skolems
     fc0694c Wibbles
     a333a46 Better printing for TcTyVars in dump style
     c7b6d41 Another traceTc debug trace
     24c9c7c More flatten-skolem progress
     ec85cf2 Print traceTc stuff in dump-style
     ebcc037 Error message wibbles
     0d2ce1d More flatten-skolem progress
     0ce6d34 Better printing of dump messages
     5064c32 Error message wibbles
     1ddb047 More progress
     a5fb4ba MOre progress
     d709d73 Merge remote-tracking branch 'origin/master' into wip/new-flatten-skolems-Aug14
     e94d2ab Esablish the flattening invariant for CTyEqCan
     ad1ad63 More progress
     e42db2e Merge remote-tracking branch 'origin/master' into wip/new-flatten-skolems-Aug14
     1754d0b Refactoring around newClsInst
     154716c Wibble
     a58aca0 Don't freshen the dfun tyvars in newClsInst
     2c516a3 Comments
     dabf464 Merge branch 'wip/new-flatten-skolems-Aug14' into wip/tc-plugins
     09e74f4 Hook-in the plugins with the constraint solve in TcInteract
     93117d3 Export type-constructors