Give language pragma suggestions without -X

compiler/deSugar/DsMonad.lhs

compiler/parser/Parser.y.pp

compiler/parser/RdrHsSyn.lhs

compiler/rename/RnBinds.lhs

compiler/rename/RnEnv.lhs

compiler/rename/RnExpr.lhs

compiler/rename/RnNames.lhs

compiler/rename/RnPat.lhs

compiler/rename/RnSource.lhs

compiler/rename/RnTypes.lhs

compiler/typecheck/TcDeriv.lhs

compiler/typecheck/TcErrors.lhs

compiler/typecheck/TcForeign.lhs

compiler/typecheck/TcHsType.lhs

compiler/typecheck/TcInstDcls.lhs

compiler/typecheck/TcPat.lhs

compiler/typecheck/TcTyClsDecls.lhs

compiler/typecheck/TcUnify.lhs

compiler/typecheck/TcValidity.lhs