[commit: ghc] wip/12368's head updated: WwLib: Add strictness signature to "let x = absentError …" (f0fc168)

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

Branch 'wip/12368' now includes:

     8265c78 Fix and document Unique generation for sum TyCon and DataCons
     e710f8f Correct a few mistyped words in prose/comments
     bbf36f8 More typos in comments
     fb34b27 Revert "Cleanup PosixSource.h"
     86b1522 Unboxed sums: More unit tests
     bfef2eb StgCmmBind: Some minor simplifications
     c4f3d91 Add deepseq dependency and a few NFData instances
     648fd73 Squash space leaks in the result of byteCodeGen
     7f0f1d7 -fprof-auto-top
     1fe5c89 UNPACK the size field of SizedSeq
     d068220 Fix the non-Linux build
     4036c1f Testsuite: fix T10482a
     1967d74 Some typos in comments
     a9251c6 MonadUtils: Typos in comments
     1783011 Fix productivity calculation (#12424)
     9d62f0d Accept better stats for T9675
     8f63ba3 Compute boot-defined TyCon names from ModIface.
     b0a5144 Add mblocks_allocated to GC stats API
     e98edbd Move stat_startGCSync
     d3feb16 Make Unique a newtype
     c06e3f4 Add atomic operations to package.conf.in
     89ae1e8 Relevant Bindings no longer reports shadowed bindings (fixes #12176)
     750553a Use MO_Cmpxchg in Primops.cmm instead of ccall cas(..)
     0dd9079 Comments only: Refer to actually existing Notes
     6889763 DmdAnal: Add a final, safe iteration
     bf40ea3 DmdAnal: Testcase about splitFVs and dmdFix abortion
     d1f5ff4 Degrade "case scrutinee not known to diverge for sure" Lint error
     f0fc168 WwLib: Add strictness signature to "let x = absentError …"