[commit: ghc] wip/12368's head updated: WwLib: Add strictness signature to "let x = absentError …" (6b4f035)

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

Branch 'wip/12368' now includes:

     7a8ef01 Remove `setUnfoldingInfoLazily`
     a13fda7 Clarify comment on makeCorePair
     d85b26d CmmLive: Remove some redundant exports
     8ecac25 CmmLayoutStack: Minor simplification
     fc66415 Replace an unsafeCoerce with coerce
     db5a226 Fix omission in haddock instance head
     1101045 Trim all spaces after 'version:'
     fe4008f Remove identity update of field componentsConfigs
     f09d654 check that the number of parallel build is greater than 0
     e3e2e49 codeGen: Remove binutils<2.17 hack, fixes T11758
     ca7e1ad Expanded abbreviations in Haddock documentation
     ce13a9a Fix an assertion that could randomly fail
     89fa4e9 Another try to get thread migration right
     8fe1672 Bump `hoopl` submodule, mostly cosmetics
     253fc38 Temporarily mark T1969 perf test as broken (#12437)
     7354f93 StgCmm: Remove unused Bool field of Return sequel
     02614fd Replace some `length . filter` with `count`
     9aa5d87 Util.count: Implement as a left-fold instead of a right-fold
     affcec7 rts/Printer.h: fix constness of argument declaration
     03af399 AsmCodeGen: Give linear-scan and coloring reg. allocators different cc names
     3bfe6a5 RegAlloc: Remove duplicate seqList (use seqList from Util)
     bd51064 RegAlloc: Use IntSet/IntMaps instead of generic Set/Maps
     7a2e933 Use Data.Functor.Const to implement Data.Data internals
     6fe2355 configure.ac: Remove checks for bug 9439
     773e3aa T1969: Enable it again but bump the max residency temporarily
     4d9c22d Fix typo in Data.Bitraversable Haddocks
     fe19be2 Cabal submodule update.
     dd23a4c Actually update haddock.Cabal stats.
     e79bb2c Fix a bug in unboxed sum layout generation
     9684dbb Remove StgRubbishArg and CmmArg
     ac0e112 Improve missing-sig warning
     bd0c310 Fix GHCi perf-llvm build on x86_64
     37a7bcb Update `nofib` submodule to newest commit
     7ad3b49 Misspellings in comments [skip ci]
     18f0687 Fix configure detection.
     ffd4029 fix compilation failure on OpenBSD with system supplied GNU C 4.2.1
     fc1432a Update hoopl submodule (extra .gitignore entry)
     3551e62 refactor test for __builtin_unreachable into Rts.h macro RTS_UNREACHABLE
     da99a7f Darwin: Detect broken NM program at configure time
     f9a11a2 When in sanity mode, un-zero malloc'd memory; fix uninitialized memory bugs.
     d331ace Minor typofix.
     b222ef7 Typofix in System.Environment docs.
     34da8e5 Typo in comment
     efc0372 Not-in-scope variables are always errors
     f352e5c Keep the bindings local during defaultCallStacks
     58e7316 Refactor nestImplicTcS
     d610274 Revert "T1969: Enable it again but bump the max residency temporarily"
     113d50b Add gcoerceWith to Data.Type.Coercion
     7fd2585 Comments only: Refer to actually existing Notes
     98da9fa DmdAnal: Add a final, safe iteration
     ccb9cb4 DmdAnal: Testcase about splitFVs and dmdFix abortion
     d9cb266 Degrade "case scrutinee not known to diverge for sure" Lint error to warning
     6b4f035 WwLib: Add strictness signature to "let x = absentError …"