Rename explicitOuter to explicitOuterPhase in Phases

Author: DarkDimius

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

@@ -175,7 +175,7 @@ object Phases {
     def refchecksPhase = refChecksCache.phase
     def erasurePhase = erasureCache.phase
     def flattenPhase = flattenCache.phase
-    def explicitOuter = explicitOuterCache.phase
+    def explicitOuterPhase = explicitOuterCache.phase
     def gettersSettersPhase = gettersSettersCache.phase
 
     def isAfterTyper(phase: Phase): Boolean = phase.id > typerPhase.id

src/dotty/tools/dotc/transform/ExplicitOuter.scala

@@ -112,7 +112,7 @@ object ExplicitOuter {
   def ensureOuterAccessors(cls: ClassSymbol)(implicit ctx: Context): Unit = {
     //todo: implementing  #165 would simplify this logic
     val prevPhase = ctx.phase.prev
-    assert(prevPhase.id <= ctx.explicitOuter.id, "can add $outer symbols only before ExplicitOuter")
+    assert(prevPhase.id <= ctx.explicitOuterPhase.id, "can add $outer symbols only before ExplicitOuter")
     assert(prevPhase.isInstanceOf[DenotTransformer], "adding outerAccessors requires being DenotTransformer")
     if (!hasOuter(cls)) {
       newOuterAccessors(cls).foreach(_.enteredAfter(prevPhase.asInstanceOf[DenotTransformer]))