Not that I know of
```
$ grep -nr "ANON_FUN_NAME" src/
src//compiler/scala/tools/nsc/backend/jvm/BCodeTypes.scala:250:      isFinal && (c.getSimpleName.contains(tpnme.ANON_FUN_NAME.toString)) && isFunctionType(c)
src//compiler/scala/tools/nsc/transform/UnCurry.scala:241:            val liftedMethod = mkMethod(fun.symbol.owner, nme.ANON_FUN_NAME, additionalFlags = ARTIFACT)
src//compiler/scala/tools/nsc/transform/UnCurry.scala:417:      def isLiftedLambdaBody(target: Tree) = target.symbol.isLocalToBlock && target.symbol.isArtifact && target.symbol.name.containsName(nme.ANON_FUN_NAME)
src//compiler/scala/tools/nsc/typechecker/Namers.scala:329:        case nme.IMPORT | nme.OUTER | nme.ANON_CLASS_NAME | nme.ANON_FUN_NAME | nme.CONSTRUCTOR => ()
src//compiler/scala/tools/nsc/typechecker/Typers.scala:2818:        ClassDef(Modifiers(FINAL), tpnme.ANON_FUN_NAME, tparams = Nil,
src//compiler/scala/tools/nsc/typechecker/Typers.scala:2836:            Apply(Select(New(Ident(tpnme.ANON_FUN_NAME)), nme.CONSTRUCTOR), Nil)
src//reflect/scala/reflect/internal/ReificationSupport.scala:857:                 List(ClassDef(clsMods, tpnme.ANON_FUN_NAME, Nil, Template(
src//reflect/scala/reflect/internal/ReificationSupport.scala:864:                 Apply(Select(New(Ident(tpnme.ANON_FUN_NAME)), termNames.CONSTRUCTOR), List())),
src//reflect/scala/reflect/internal/StdNames.scala:103:    val ANON_FUN_NAME: NameType      = "$anonfun"
src//reflect/scala/reflect/internal/Symbols.scala:472:      newClassSymbol(tpnme.ANON_FUN_NAME, pos, FINAL | SYNTHETIC | newFlags)
src//reflect/scala/reflect/internal/Symbols.scala:475:      newTermSymbol(nme.ANON_FUN_NAME, pos, SYNTHETIC | newFlags) setInfo NoType
src//reflect/scala/reflect/internal/Symbols.scala:780:    final def isAnonymousFunction = isSynthetic && (name containsName tpnme.ANON_FUN_NAME)
```