[commit: ghc] wip/T14373's head updated: Implement pointer tagging for 'big' families #14373 (b723ca6)

[git at git.haskell.org]

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

Branch 'wip/T14373' now includes:

     99c61e2 Add stack traces on crashes on Windows
     bb537b2 nofib submodule: Fix a problem with fasta-c.c
     1e24a24 submodule nofib: Add digits-of-e1.faststdout
     052ec24 submodule nofib: Add digits-of-e2.faststdout
     b10a768 Comments only
     d1eaead Temporary fix to Trac #14380
     671b1ed User’s guide: Properly link to RTS flag -V
     8843a39 Include usg_file_hash in ghc --show-iface output
     3825b7e Remove the 'legroom' part of the timeout-accurate-pure test.
     b62097d Windows: Bump to GCC 7.2 for GHC 8.4
     e888a1f Revert "Windows: Bump to GCC 7.2 for GHC 8.4"
     561bdca Update Win32 version for GHC 8.4.
     f744261 ghc-cabal: Inline removed function from Cabal.
     2e16a57 Revert "ghc-cabal: Inline removed function ..."
     b1ad0bb Revert "Update Win32 version for GHC 8.4."
     61f1b46 Make language extensions their own category in the documentation
     bf83435 typecheck: Clarify errors mentioned in #14385
     bd53b48 Add info about Github pull requests.
     2a4c24e Make layLeft and reduceDoc stricter (#7258)
     980e127 Windows: Update the mirror script to generate hashes and use mirror fallback
     1c15d8e Fix space leak in BinIface.getSymbolTable
     df63668 Performance improvements linear regAlloc (#7258)
     f7f270e Implement `-Wpartial-fields` warning (#7169)
     821adee Fix a bug in 'alexInputPrevChar'
     2c23fff user-guide: Clarify default optimization flags
     4c06ccb base: Enable listToMaybe to fuse via foldr/build
     dbd81f7 Factor out readField (#14364)
     d91a6b6 Declare upstram repo location for hsc2hs
     160a491 users-guide: Disable index node generation
     9ae24bb configure: Add Alpine Linux to checkVendor
     a10c2e6 Don't use $SHELL in wrapper scripts
     355318c Add more pprTrace to SpecConstr (debug only)
     7d7d94f Fix an exponential-blowup case in SpecConstr
     41f9055 ApplicativeDo: handle BodyStmt (#12143)
     acd355a relnotes: Fix a few minor formatting issues
     faf60e8 Make tagForCon non-linear
     922db3d Manual: The -ddump-cmm-* flags had a wrong spelling in the manual
     97ca0d2 simplNonRecJoinPoint: Handle Shadowing correctly
     0e953da Implement a dedicated exitfication pass #14152
     3b784d4 base: Implement file locking in terms of POSIX locks
     cecd2f2 Add -falignment-sanitization flag
     7673561 Turn `compareByteArrays#` out-of-line primop into inline primop
     85aa1f4 Fix #14390 by making toIfaceTyCon aware of equality
     cca2d6b Allow packing constructor fields
     82bad1a A bit more tc-tracing
     1b115b1 Fix typo in accessor name
     ec356e8 Typofix in panic
     1569668 Typofixes in comments
     53700a9 minor wordsmithing
     201b5aa Catch a few more typos in comments
     609f284 Add Note [Setting the right in-scope set]
     b723ca6 Implement pointer tagging for 'big' families #14373