[commit: ghc] wip/ttypeable's head updated: TcTypeable: Try to reuse KindReps (745dc89)

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

Branch 'wip/ttypeable' now includes:

     a4ccd33 Add index entry for signature files / Backpack.
     8e9ad24 Setup more error context for Backpack operations.
     c81f3bc Remove obsolete Backpack manual.
     2f16484 Slightly reword not-exported message.
     7666a9f Disable PVP warnings temporarily.
     20b5dfc Typos in notes and comments [ci skip]
     2d6e91e Debug: Use local symbols for unwind points (#13278)
     60c4986 Typecast covers entire expression to fix format warning.
     6626242 TcUnify: Assert precondition of matchExpectedTyConApp
     2484d4d Refactor renaming of operators/sections to fix DuplicateRecordFields bugs
     04f67c9 Expand list of always loaded Windows shared libs
     2f1017b Fix ExtraSymbols jump table on Windows.
     c3bbd1a Allow type defaulting for multi-param type classes with ExtendedDefaultRules
     da49389 Implement HasField constraint solving and modify OverloadedLabels
     392cec4 Update .mailmap [skip ci]
     bedcb71 Check local type family instances against all imported ones
     f90e61a Make deSugarExpr use runTcInteractive
     93e65c8 Don't warn about missing methods for instances in signatures.
     e28fbbb Typos [ci skip]
     fc9d152 Comments and tiny refactor only
     6bab649 Improve checking of joins in Core Lint
     b8c29bc Use the correct origin in SectionL and Section R
     f4aa998 Better perf for haddock.base, haddock.Cabal
     e52a335 Comments only, about inl_inline and inl_act
     8d401e5 Honour -dsuppress-uniques more thoroughly
     e55986a Fix a substitution bug in cseCase
     0e76017 Simplify OutputableBndr
     ca54315 Fix a Backpack recompilation avoidance bug when signatures change.
     22dba98 Fix recompilation tracking on signatures.
     fd2d5b6 Improvements/bugfixes to signature reexport handling.
     8916884 Say 'data' explicitly in IfAbstractTyCon output.
     7c057b5 Bump libraries/array submodule
     efeaf9e Bump nofib submodule
     b207b53 Generalize kind of the (->) tycon
     8fa4bf9 Type-indexed Typeable
     42ff5d9 Disable Typeable binding generation for unboxed sums
     98e494a Improve Haddock documentation for compact.
     dae5003 Remove ghc-api/landmine tests
     0aafe51 Typos in manual, tests and comments
     2d5be63 Change -dppr-ticks to -dsuppress-ticks
     8a9b57f Kill off the remaining Rec []
     3f653c1 Fix Core pretty printer
     8dd4e3b Remove redundant import
     27a2854 A number of Typeable wibbles from review
     087dbbe Bump Cabal submodule
     6ad89d7 Bump a few more performance regressions from Type-indexed Typeable
     240b43e Bump Win32 submodule to 2.5.1.0
     7153370 Bump time submodule to 1.8
     b7265ff build.mk: Add option for debug symbols
     80c2f75 Move Typeable Binary instances to binary package
     745dc89 TcTypeable: Try to reuse KindReps