[commit: ghc] wip/nested-cpr's head updated: Make types of bothDmdType more precise (8c20ef4)

[git at git.haskell.org]

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

Branch 'wip/nested-cpr' now includes:

     586bc85 Mask async exceptions in forkM_
     d14e5bf Export getHscEnv from HscMain
     95ba5d8 More detailed error message when GND fails
     356bc56 Fix note reference [WildCard binders]
     e122154 Comments only
     b67f503 Improve ASSERT
     cd03893 Comments only
     4f603db Untab ClosureTypes.h and ClosureFlags.c
     9d7cbbc Remove code that generates FunDep error message context
     55c703b Move the allocation of CAF blackholes into 'newCAF' (#8590)
     fe68ad5 Update and deduplicate the comments on CAF management (#8590)
     95854ca Use new flushExec implementation on all operating systems (#8562)
     47024b6 Made ghc -e have a nonzero exit code upon failure (Trac #7962 )
     415f0d6 Refactored by Simon Marlow's suggestion
     d9ad369 Fix compiler warnings due to integer size mismatch
     9d6f111 Comments, and rename a variable
     8b642de Typecheck typed TH splices properly (fix Trac #8577)
     0f2a20b Suggest TemplateHaskell after encountering a naked top-level expression
     1c69305 Clean up Lexer.srcParseErr
     1860dae Suggest TemplateHaskell after encountering a parse error on '$' (#7396)
     8157a26 Add `.mailmap` file
     980badd Remove the LFBlackHole constructor
     8528165 Fix windows x86_64 build.
     3f6da56 New flag: -ddump-strsigs
     a31cb5b Do not forget CPR information after an IO action
     f64cf13 Rename topDmdType to nopDmdType
     3cdf125 Replace mkTopDmdType by mkClosedStrictSig
     4f216b0 Merge remote-tracking branch 'origin/wip/T8598' into wip/nested-cpr
     5b1eac3 Add documentation to plusUFM_CD
     db0f30e Do not export DmdResult constructors in Demand.lhs
     8c20ef4 Make types of bothDmdType more precise