[commit: ghc] ghc-8.0's head updated: Declare that ghc:ghc-8.0 is tracking haddock:master (9418ee7)

[git at git.haskell.org]

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

Branch 'ghc-8.0' now includes:

     3bbc01a Testsuite: mark T7653 with high_memory_usage
     b0fa286 Fix some typos
     e9ab6d5 rts/PrimOps.cmm: fix UNREG profiled build
     d3a79bc rts/Linker.c: mark ia64 as 64-bit ELF, drop unused branches
     0380a95 glasgow_exts.rst: fix code block
     0675f79 configure.ac: Bump version to 8.0
     69a25d6 Bump GHC version to 8.0.0
     9418ee7 Declare that ghc:ghc-8.0 is tracking haddock:master