[commit: ghc] wip/T9535's head updated: Automatic merge by 'arc land' (ce6ec3b)

[git at git.haskell.org]

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

Branch 'wip/T9535' now includes:

     01a27c9 testsuite: update T6056 rule firing order
     e81e028 includes/Stg.h: remove unused 'wcStore' inline
     9e93940 StringBuffer should not contain initial byte-order mark (BOM)
     0f31c2e Cleanup and better documentation of sync-all script
     64c9898 Make Lexer.x more like the 2010 report
     3be704a genprimopcode: GHC.Prim is Unsafe (#9449)
     2f343b0 Refactor stack squeezing logic
     918719b Set llc and opt commands on all platforms
     9711f78 Fix a couple test failures encountered when building on Windows
     4d4d077 systools: fix gcc version detecton on non-english locale
     31f43e8 Revert "Fix a couple test failures encountered when building on Windows"
     ce6ec3b Automatic merge by 'arc land'