Remove duplicate isAnonymousFunction

Author: DarkDimius

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

@@ -325,7 +325,7 @@ object SymDenotations {
       isClass && (initial.asSymDenotation.name startsWith tpnme.ANON_CLASS)
 
     final def isAnonymousFunction(implicit ctx: Context) =
-      this.isInstanceOf[SymDenotation] && (flags is Synthetic) && (initial.asSymDenotation.name startsWith tpnme.ANON_FUN)
+      this.symbol.is(Method) && (initial.asSymDenotation.name startsWith nme.ANON_FUN)
 
     /** Is symbol a primitive value class? */
     def isPrimitiveValueClass(implicit ctx: Context) = defn.ScalaValueClasses contains symbol

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

@@ -53,9 +53,6 @@ class SymUtils(val self: Symbol) extends AnyVal {
   final def skipConstructor(implicit ctx: Context): Symbol =
     if (self.isConstructor) self.owner else self
 
-  final def isAnonymousFunction(implicit ctx: Context): Boolean =
-    self.is(Method) && (self.denot.initial.asSymDenotation.name startsWith nme.ANON_FUN)
-
   /** The logically enclosing method or class for this symbol.
    *  Instead of constructors one always picks the enclosing class.
    */