[commit: ghc] ghc-7.10's head updated: Fix failing API Annotations tests from master cherry pick (3aca63a)

[git at git.haskell.org]

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

Branch 'ghc-7.10' now includes:

     ad6059f parser: opt_kind_sig has incorrect SrcSpan
     f05bf38 parser: API Annotations : guardquals1 does not annotate commas properly
     9c11848 parser : the API annotation on opt_sig is being discarded
     56e5b75 API Annotations : ExprWithTySig processing discards annotated spans
     a3dfa17 ApiAnnotations : lexer discards comment close in nested comment
     ad0551c Correct parsing of lifted empty list constructor
     d4596ef ApiAnnotations : quoted type variables missing leading quote
     ec6c9ad ApiAnnotations : RdrHsSyn.isFunLhs discards parentheses
     2f463c7 ApiAnnotations : AnnComma missing in TupleSection
     bd2bfe2 ApiAnnotations: misplaced AnnComma for squals production
     3aca63a Fix failing API Annotations tests from master cherry pick