Scala编译失败

Question

我有一些代码，它们编译（scala 2.9.1）一个scala类＆＃34;在飞行中＆＃34; （即在运行时从scala应用程序代码调用scala编译器）

有时编译失败（见下文） 你能解释它是什么以及如何解决这个问题吗？

java.lang.AssertionError: assertion failed
    at scala.Predef$.assert(Predef.scala:89)
    at scala.tools.nsc.transform.Erasure$ErasureTransformer.bridgeDefs(Erasure.scala:875)
    at scala.tools.nsc.transform.Erasure$ErasureTransformer.addBridges(Erasure.scala:956)
    at scala.tools.nsc.transform.Erasure$ErasureTransformer$$anon$3.preErase(Erasure.scala:1135

java.lang.AssertionError: assertion failed
  at scala.Predef$.assert(Predef.scala:89)
  at scala.tools.nsc.symtab.InfoTransformers$InfoTransformer.insert(InfoTransformers.scala:21)  at scala.tools.nsc.symtab.InfoTransformers$InfoTransformer.insert(InfoTransformers.scala:25)
  at scala.tools.nsc.symtab.InfoTransformers$InfoTransformer.insert(InfoTransformers.scala:25)

java.lang.Error: no-symbol does not have owner
  at scala.tools.nsc.symtab.SymbolTable.abort(SymbolTable.scala:34)
  at scala.tools.nsc.symtab.Symbols$NoSymbol$.owner(Symbols.scala:2150)
  at scala.tools.nsc.transform.Erasure$ErasureTransformer$$anon$3.preErase(Erasure.scala:1112)
  at scala.tools.nsc.transform.Erasure$ErasureTransformer$$anon$3.transform(Erasure.scala:1157)