xcode - Strange execution order when stepping through Swift code -

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when stepping through debug swift code in xcode, see execution order strange things e.g. jumping end of if statements , back.

it's compiler optimisations enabled, not - i've confirmed project settings debug builds "none[-o0]".

does know why happens? there funky going on behind scenes?

or straight forward lack of maturity of swift compiler/ui/debugger?


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