[commit: ghc] wip/T14677's head updated: WIP: exclude casts for now (7d47c16)

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

Branch 'wip/T14677' now includes:

     d36ae5d Comments about CoercionHoles
     076bdb3 Remove dead code: mkNthCoRole
     2a2e6a8 Comments only
     0636689 Fix the lone-variable case in callSiteInline
     d6e0338 Bump terminfo submodule
     40c753f testsuite: Bump haddock.Cabal allocations due to submodule bump
     0e022e5 Turn EvTerm (almost) into CoreExpr (#14691)
     983e491 testsuite: Add testcase for #12158
     66961dc Haddock needs to pass visible modules for instance filtering
     302aee5 base: Refactor Show ErrorCall instance into proper ShowS style
     52dfb25 Handle the likely:True case in CmmContFlowOpt
     e7dcc70 Add ability to parse likely flags for ifs in Cmm.
     31c260f Add ptr-eq short-cut to `compareByteArrays#` primitive
     cbdea95 Sort valid substitutions for typed holes by "relevance"
     cacba07 Linker: ignore empty paths in addEnvPaths
     bd58e29 Remove Hoopl.Unique
     9a57cfe Option for LINE pragmas to get lexed into tokens
     a55d581 Fix Windows stack allocations.
     59fa7b3 Fix #14719 by using the setting the right SrcSpan
     7ff6023 cmm: Use two equality checks for two alt switch with default
     1cb12ea Bump hadrian submodule
     155ba82 WIP: triggering CI for Simon's patch
     7d47c16 WIP: exclude casts for now