[commit: ghc] wip/ghc-8.8-merges's head updated: Cmm: Promote stack arguments to word size (dfef89d)

[git at git.haskell.org]

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

Branch 'wip/ghc-8.8-merges' now includes:

     1808e0d template-haskell: Document assembler foreign file support
     78af4a3 Properly escape character literals in Haddocks
     ca5b476 Revert "Lexer: Alternate Layout Rule injects actual not virtual braces"
     f6abc30 Lexer: Alternate Layout Rule injects actual not virtual braces
     b85a5f1 Bump Cabal submodule
     74430a5 Bump hsc2hs submodule
     b0deeb5 Fix checkStackChunk() call in Interepter.c, enable an assertion
     dfef89d Cmm: Promote stack arguments to word size