Mikhail Zarechenskiy
25 lines
1.1 KiB
Kotlin
Vendored
25 lines
1.1 KiB
Kotlin
Vendored
// !WITH_NEW_INFERENCE
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// KT-5508 Stackoverflow in type substitution
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abstract class A<T> {
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public abstract fun foo(x: T)
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public abstract fun bar(x: T)
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public inner abstract class B<S> : A<B<S>>() {
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public inner <!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class C<!><U> : <!NI;DEBUG_INFO_UNRESOLVED_WITH_TARGET, NI;UNRESOLVED_REFERENCE_WRONG_RECEIVER!>B<!><C<U>>()
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{
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// Here B<C<U>> means A<A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>>.B<A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>.C<U>>
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// while for being a correct override it should be A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>
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// It happens because at the beginning we search implicit arguments for an outer classes through supertypes
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// See TypeResolver.computeImplicitOuterClassArguments for clarifications
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<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: B<C<U>>) {
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throw UnsupportedOperationException()
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}
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override fun bar(x: A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>) {
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throw UnsupportedOperationException()
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}
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}
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}
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}
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