Fix expected output of interface-stability test

testsuite/tests/interface-stability/base-exports.stdout

@@ -8957,6 +8957,8 @@ module GHC.RTS.Flags where
                numaMask :: GHC.Types.Word}
   type GiveGCStats :: *
   data GiveGCStats = NoGCStats | CollectGCStats | OneLineGCStats | SummaryGCStats | VerboseGCStats
+  type HpcFlags :: *
+  data HpcFlags = HpcFlags {emitTixFile :: GHC.Types.Bool}
   type IoSubSystem :: *
   data IoSubSystem = IoPOSIX | IoNative
   type MiscFlags :: *
@@ -8966,7 +8968,7 @@ module GHC.RTS.Flags where
   type ProfFlags :: *
   data ProfFlags = ProfFlags {doHeapProfile :: DoHeapProfile, heapProfileInterval :: RtsTime, heapProfileIntervalTicks :: GHC.Types.Word, startHeapProfileAtStartup :: GHC.Types.Bool, showCCSOnException :: GHC.Types.Bool, maxRetainerSetSize :: GHC.Types.Word, ccsLength :: GHC.Types.Word, modSelector :: GHC.Maybe.Maybe GHC.Base.String, descrSelector :: GHC.Maybe.Maybe GHC.Base.String, typeSelector :: GHC.Maybe.Maybe GHC.Base.String, ccSelector :: GHC.Maybe.Maybe GHC.Base.String, ccsSelector :: GHC.Maybe.Maybe GHC.Base.String, retainerSelector :: GHC.Maybe.Maybe GHC.Base.String, bioSelector :: GHC.Maybe.Maybe GHC.Base.String}
   type RTSFlags :: *
-  data RTSFlags = RTSFlags {gcFlags :: GCFlags, concurrentFlags :: ConcFlags, miscFlags :: MiscFlags, debugFlags :: DebugFlags, costCentreFlags :: CCFlags, profilingFlags :: ProfFlags, traceFlags :: TraceFlags, tickyFlags :: TickyFlags, parFlags :: ParFlags, hpcFlags :: GHC.RTS.Flags.HpcFlags}
+  data RTSFlags = RTSFlags {gcFlags :: GCFlags, concurrentFlags :: ConcFlags, miscFlags :: MiscFlags, debugFlags :: DebugFlags, costCentreFlags :: CCFlags, profilingFlags :: ProfFlags, traceFlags :: TraceFlags, tickyFlags :: TickyFlags, parFlags :: ParFlags, hpcFlags :: HpcFlags}
   type RtsTime :: *
   type RtsTime = GHC.Word.Word64
   type TickyFlags :: *
@@ -8977,6 +8979,7 @@ module GHC.RTS.Flags where
   getConcFlags :: GHC.Types.IO ConcFlags
   getDebugFlags :: GHC.Types.IO DebugFlags
   getGCFlags :: GHC.Types.IO GCFlags
+  getHpcFlags :: GHC.Types.IO HpcFlags
   getIoManagerFlag :: GHC.Types.IO IoSubSystem
   getMiscFlags :: GHC.Types.IO MiscFlags
   getParFlags :: GHC.Types.IO ParFlags