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kotlinlang

<https://discuss.kotlinlang.org/t/is-this-a-compiler-bug/26339|Is this a compiler bug?>
I tried to help someone on a discord server who posted a snippet that didn’t compile, but I wasn’t able to find an answer to why it wouldn’t compile. I managed to generalize it to a minimal runnable (or, in this case, not runnable) example:
object A
object B

fun A.foo() = println("Test A")
fun B.foo() = println("Test B")

fun main() {
    var test: A? = A
    test = null
    test?.foo()
}

(playground link: &lt;a href="<https://pl.kotl.in/K19LwF8Ti>" class="inline-onebox" rel="noopener nofollow...