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[NI] Prefer between two complex variables one with proper lower bounds

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This reverts commit d4d35bb766.
This commit is contained in:
Mikhail Zarechenskiy
2020-03-24 01:56:10 +03:00
parent a4c7619c89
commit ec4d9d2f1f
12 changed files with 135 additions and 3 deletions
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compiler/testData/diagnostics/tests/inference/nothingType/inferenceWithRecursiveGenericsAndNothing.kt
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+16
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@@ -0,0 +1,16 @@
// FIR_IDENTICAL
// !DIAGNOSTICS: -UNUSED_PARAMETER
interface Out<out T>
interface In<in T>
interface Recursive<T : In<T>>
interface Specialized : In<Specialized>
class Parent : Specialized
fun <T : In<T>> foo(o: Out<T>): Recursive<T>? = null
fun test(o: Out<Parent>) {
foo(o) ?: return
}
compiler/testData/diagnostics/tests/inference/nothingType/inferenceWithRecursiveGenericsAndNothing.txt
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+35
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@@ -0,0 +1,35 @@
package
public fun </*0*/ T : In<T>> foo(/*0*/ o: Out<T>): Recursive<T>?
public fun test(/*0*/ o: Out<Parent>): kotlin.Unit
public interface In</*0*/ in T> {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface Out</*0*/ out T> {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class Parent : Specialized {
public constructor Parent()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface Recursive</*0*/ T : In<T>> {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface Specialized : In<Specialized> {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}