[commit: ghc] wip/pattern-synonyms's head updated: T7336 is expected to be broken because of a regression introduced by pattern synonym implementation (38ee06f)

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

Branch 'wip/pattern-synonyms' now includes:

     778b48a s/warn-type-holes/warn-typed-holes/g
     d1712db In rts/Printer.c, print exact UPDATE_FRAME type
     20a25b5 PLT Redex definition of an STG-like language, as-per the fast curry paper.
     3428f76 Cache compiler info in DynFlags
     d0ed1ff Don't pass -nodefaultlibs to Clang
     dbc4605 Fix ghciprog004 when built with Clang
     69cf5c4 Update to `containers-0.5.4.0`
     61395b5 type-rep is only broken when debugging is on
     f0a7261 Disable -fregs-graph (#7679, #8657)
     78a506a Documentation on the stack layout algorithm
     eec0b58 bump bounds for T6048
     11f5cd9 Typo in comment
     eaa37a0 Add a way to reserve temporary stack space in high-level Cmm
     58e5843 Allow the argument to 'reserve' to be a compile-time expression
     b41821b Update to current Cabal 1.18 branch tip
     ab74d75 Replace worthSplittingThunkDmd by worthSplittingArgDmd
     7cdf141 Refactor WorkWrap, get rid of worthSplittingArgDmd
     b26e2f9 Remove unused returnsCPR
     59f491a ...and clean up the imports
     98db754 Typos in comments
     45d825b Add an expect-broken test for Trac #8566
     9433f1d Tidy up Outputable.printDoc, and add printDoc_
     44dc0aa Eta expand data family instances before printing them
     0f7381b Don't print roles for data instances
     19e09df Add a test case for #5949
     20b1a07 Add testcase for #4267
     e4a4aba Fix #8675
     0d90cbc Enable LLVM-based code generation for FreeBSD/amd64.
     c3b8b3a Allow "amd64" to be recognized as an x86_64 platform.
     bcc5c95 Re-enable DYNAMIC_GHC_PROGRAMS for FreeBSD.
     1ad599e Fix #8451
     1f9dcd0 Implement pattern synonyms
     38ee06f T7336 is expected to be broken because of a regression introduced by pattern synonym implementation