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Refine subtyping check: pay attention to corresponding supertype nullability

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F: Any, T : F? => !isSubtype(T, Any)

It helps to identify upper bounds violation like in KT-7455

 #KT-7455 Fixed
 #KT-2924 Fixed
 #KT-3015 Fixed
This commit is contained in:
Denis Zharkov
2015-08-26 11:22:40 +03:00
parent a906be6dd7
commit 6ecfa6e985
11 changed files with 184 additions and 3 deletions
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compiler/testData/diagnostics/tests/generics/nullability/tpBoundsViolation.txt
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package
internal final class A</*0*/ F> {
public constructor A</*0*/ F>()
internal final fun </*0*/ Z : F, /*1*/ W : Z?> bar(/*0*/ x: F, /*1*/ y: F?, /*2*/ z: Z, /*3*/ w: W): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
internal final fun </*0*/ E : F> foo1(/*0*/ x: E): kotlin.Unit
internal final fun </*0*/ E : F?> foo2(/*0*/ x: E): kotlin.Unit
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}