Denis.Zharkov
55a58e54fe
The only case when behavior is change is described at computeNonTrivialTypeArgumentForScopeSubstitutor The idea is to avoid depending on the presence of @UnsafeVariance and instead approximate captured types in covariant argument positions before building substitution scopes It's correct because for Captured(*) <: Supertype, Out<Captured(*)> <: Out<Supertype> and when we've got @UnsafeVariance value parameters at Out, it's ok to allow passing Supertype there. ^KT-57602 Fixed ^KT-54894 Fixed
33 lines
1.2 KiB
Kotlin
Vendored
33 lines
1.2 KiB
Kotlin
Vendored
// FIR_IDENTICAL
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// ISSUE: KT-54764
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interface Out1<out T> {
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fun copy(t: @UnsafeVariance T): Out1<T>
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}
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fun foo1(o1: Out1<*>, o2: Out1<<!REDUNDANT_PROJECTION!>out<!> Any?>, o3: Out1<Any?>) {
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<!DEBUG_INFO_EXPRESSION_TYPE("Out1<kotlin.Any?>")!>o1.copy("")<!>
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<!DEBUG_INFO_EXPRESSION_TYPE("Out1<kotlin.Any?>")!>o2.copy("")<!>
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<!DEBUG_INFO_EXPRESSION_TYPE("Out1<kotlin.Any?>")!>o3.copy("")<!>
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}
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interface Out2<out T : CharSequence> {
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fun copy(t: @UnsafeVariance T): Out2<T>
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}
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fun foo2(o1: Out2<*>, o2: Out2<<!REDUNDANT_PROJECTION!>out<!> CharSequence>, o3: Out2<CharSequence>) {
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<!DEBUG_INFO_EXPRESSION_TYPE("Out2<kotlin.CharSequence>")!>o1.copy("")<!>
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<!DEBUG_INFO_EXPRESSION_TYPE("Out2<kotlin.CharSequence>")!>o2.copy("")<!>
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<!DEBUG_INFO_EXPRESSION_TYPE("Out2<kotlin.CharSequence>")!>o3.copy("")<!>
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}
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interface Out3<out T : Out3<T>> {
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fun copy(t: @UnsafeVariance T): Out3<T>
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}
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fun foo3(o1: Out3<*>, o2: Out3<<!REDUNDANT_PROJECTION!>out<!> Out3<*>>, o3: Out3<Out3<*>>) {
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<!DEBUG_INFO_EXPRESSION_TYPE("Out3<Out3<*>>")!>o1.copy(o1)<!>
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<!DEBUG_INFO_EXPRESSION_TYPE("Out3<Out3<*>>")!>o2.copy(o1)<!>
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<!DEBUG_INFO_EXPRESSION_TYPE("Out3<Out3<*>>")!>o3.copy(o1)<!>
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}
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