Alexander Udalov 157db778fd Rework support of Iterator.iterator optimization in ForLoopsLowering ...

- Fix the predicate used for finding the member function `next`: check
  that there's no extension receiver parameter, don't filter out
  abstract functions.
- Do not copy iterator expression, instead change the type in all
  references to the iterator variable.
- Fix some style issues.

 #KT-47171 Fixed

2022-02-28 01:39:31 +01:00

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abstractNext.kt

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primitiveIterator.kt

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uintIterator.kt

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unrelatedExtensionFunctionNext.kt

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