pyos 20ea77d55d JVM_IR: refactor ToArrayLowering and make matching more precise ...

* If `toArray` is inherited from Java, it may take an argument or
    return a value of a flexible type, which looks nullable in IR;
  * The returned array may also have `out` variance of the type
    argument;
  * `Array<T>` is not the same as `Array<Any?>` if `T` is neither `Any`
    nor `in Something`, so presence of `toArray(): Array<T>` does not
    mean we don't need to generate a new `toArray`.

2020-03-06 18:33:25 +01:00

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