[commit: ghc] wip/ghc-8.0's head updated: Bump GHC version to 8.0.0 (f8296b4)

[git at git.haskell.org]

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

Branch 'wip/ghc-8.0' now includes:

     99b956e Fix-up GHC 7.12 artifacts
     ee6fba8 Encode strictness in GHC generics metadata
     c8c44fd Maintain cost-centre stacks in the interpreter
     4bb9f88 TcTyClsDecls: Remove invalid comments about list monads
     fd1b5ae testsuite/ClassOperator: This actually should_fail
     a61e717 testsuite: Add testcase for #8316
     eeecb86 Add proper GADTs support to Template Haskell
     55250a6 Rename GHCi's UI modules into GHCi.UI(.*)
     ff3f918 Fix #11256 by not immediately erroring if we can't find a module.
     2dff6c1 Added missing instances for Identity and Const (#11210)
     1fcdcae testsuite/ClassOperator: Mark as compile_fail instead of should_fail
     fb3302c base: Add sections to changelog
     083b700 users_guide: Synchronize relnotes with base changelog
     f8296b4 Bump GHC version to 8.0.0