We've continued building a new compiler and intermediate representation that will be easier to optimize before we generate JVM bytecode.

我们在构建一个新的编译器和中间表述，这样在我们生成JVM字节码前更容易做一些优化。

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These changes include a complete rewrite of the binding compiler code generation, with an added option for using source code enhancement as an alternative to bytecode enhancement.

这些变化包括：对编译器代码生成进行完全重写，添加用源代码增强代替字节码增强的选项。

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Likewise with the generics changes — the generic type information is used by the compiler to enforce compile-time safe usage, but the generated bytecode still USES casts everywhere.

比如泛型更改——泛型类型信息——由编译器用于实施编译时安全，但是生成的字节码仍然到处使用强制转换。

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