Fix alignment

Author: liufengyun

compiler/src/dotty/tools/dotc/core/Phases.scala

@@ -387,10 +387,10 @@ object Phases {
       assert(start <= Periods.MaxPossiblePhaseId, s"Too many phases, Period bits overflow")
       myBase = base
       myPeriod = Period(NoRunId, start, end)
-      myErasedTypes  = prev.getClass == classOf[Erasure]   || prev.erasedTypes
-      myFlatClasses  = prev.getClass == classOf[Flatten]   || prev.flatClasses
-      myRefChecked   = prev.getClass == classOf[RefChecks] || prev.refChecked
-      myLambdaLifted   = prev.getClass == classOf[LambdaLift] || prev.lambdaLifted
+      myErasedTypes  = prev.getClass == classOf[Erasure]    || prev.erasedTypes
+      myFlatClasses  = prev.getClass == classOf[Flatten]    || prev.flatClasses
+      myRefChecked   = prev.getClass == classOf[RefChecks]  || prev.refChecked
+      myLambdaLifted = prev.getClass == classOf[LambdaLift] || prev.lambdaLifted
       mySameMembersStartId = if (changesMembers) id else prev.sameMembersStartId
       mySameParentsStartId = if (changesParents) id else prev.sameParentsStartId
       mySameBaseTypesStartId = if (changesBaseTypes) id else prev.sameBaseTypesStartId