[commit: ghc] wip/angerman/llvmng's head updated: Merge branch 'feature/cross-compiler-bindist' into wip/angerman/llvmng (e534f8d)

[git at git.haskell.org]

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

Branch 'wip/angerman/llvmng' now includes:

     5935acd mkDataConRep: fix bug in strictness signature (#14290)
     7aa000b Fix #13391 by checking for kind-GADTs
     464396d Fix Raspberry Pi target name
     9c05fc4 user-guide: Document -Weverything
     626f045 Document a law for TH's Lift class
     effcd56 Don't use "character" in haddocks of Char
     c15c427 iserv: Don't build vanilla iserv unless vanilla libraries are built
     e515c7f Allow libffi snapshots
     a1cfec3 Build utilities with the bootstrap compiler when cross compiling
     67ab675c Fix binary distributions of cross compilers
     e299121 Bump submodule nofib again (Semigroup now required)
     00ff023 Travis: Install texinfo
     11a59de CircleCI: Install texinfo
     0e96812 Pretty-printer missing parens for infix class declaration
     c0e6c73 Rewrite boot in Python
     e30d9ca rel-notes: Mention libffi packaging change
     e462b65 Bump libffi-tarballs submodule
     d5e60de user-guide: Fix :since: annotation of -pie and add documentation for -fPIE
     d0c5d8d No libffi docs
     b873ec7 Adds `-llvmng`
     8c2924e Adds test
     86c7b26 [genapply] feed args.
     e602a6d Merge branch 'feature/fix-T14297' into wip/angerman/llvmng
     e534f8d Merge branch 'feature/cross-compiler-bindist' into wip/angerman/llvmng