[commit: ghc] wip/T8545-ghc-7.8's head updated: Convert all sub-repos into proper submodules (re #8545) (6ff196d)

[git at git.haskell.org]

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

Branch 'wip/T8545-ghc-7.8' now includes:

     a8bf4d4 Update submodule to Win32-2.3.0.2
     07d58b2 Revert ad15c2, which causes Windows seg-faults (Trac #8834)
     57ec032 Add some documentation about type-level literals.
     7f5d1f5 Flush after TH in #8884 test case
     0bbb8dc Typos
     db6c7a9 Add OutputableBndr instance for OccName
     8da725b pprIfaceContextArr: print a context including the "=>" arrow
     2712bcd pprIfaceDecl for IfacePatSyn: use pprPatSynSig
     0f51f1c Pretty-print the following TyThings via their IfaceDecl counterpart:  * AnId  * ACoAxiom  * AConLike
     0a2e5aa Honor Op_PrintExplicitForalls setting in pprIfaceForAllPart
     dfeca0d Use prefix notation in pprIfaceDecl for IfaceIds
     8d29dbe Reinstate pretty-printing of AnIds via pprId (#8776)
     171fe78 Add test case for #8776
     7e6ef49 isLexVarSym: check all characters of the name, not just the first one.
     5f28357 Update expected test outputs to match new format of pretty-printing interface contents
     eb1d2f5 Update ghc --help references to --make and a.out (fixes #8600)
     38b3e7b linker: Fix indirect calls for x86_64 windows (#2283)
     797737f testsuite: add test for #8831
     932bd92 Mark test for #8831 as known-broken
     de0b1c5 Switch to relative URLs in .gitmodules
     6ff196d Convert all sub-repos into proper submodules (re #8545)