Address review

Author: liufengyun

compiler/src/dotty/tools/dotc/transform/SymUtils.scala

@@ -192,6 +192,10 @@ class SymUtils(val self: Symbol) extends AnyVal {
   def children(implicit ctx: Context): List[Symbol] = {
     if (self.isType)
       self.setFlag(ChildrenQueried)
+
+    if (self.isAllOf(JavaEnumTrait))
+      self.linkedClass.info.decls.foreach(_.ensureCompleted())
+
     self.annotations.collect {
       case Annotation.Child(child) => child
     }.reverse

compiler/src/dotty/tools/dotc/transform/patmat/Space.scala

@@ -603,9 +603,7 @@ class SpaceEngine(implicit ctx: Context) extends SpaceLogic {
       case tp if tp.isRef(defn.UnitClass) =>
         Typ(ConstantType(Constant(())), true) :: Nil
       case tp if tp.classSymbol.isAllOf(JavaEnumTrait) =>
-        tp.classSymbol.linkedClass.info.decls.toList.map(_.ensureCompleted())
-        val children = tp.classSymbol.children
-        children.map(sym => Typ(sym.termRef, true))
+        tp.classSymbol.children.map(sym => Typ(sym.termRef, true))
       case tp =>
         val children = tp.classSymbol.children
         debug.println(s"candidates for ${tp.show} : [${children.map(_.show).mkString(", ")}]")