Fallback to Any type in case supertypes are empty

This can happen e.g. if all supertypes were on the cycle (A : B, B : A)
-- then SupertypesLoopChecker will cut all supertypes that are on cycle,
leaving set of supertypes empty.

Some clients in the compiler are not ready to work with empty list of
supertypes -- notably, CommonSupertypes.

^KT-23029 Fixed
This commit is contained in:
Dmitry Savvinov
2018-03-12 13:02:11 +03:00
parent eb3b9032d6
commit 2d8e4e752c
22 changed files with 219 additions and 0 deletions
@@ -3,7 +3,10 @@ package
public fun foo(): kotlin.Unit
public interface A {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun getFoo(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class B {
@@ -13,14 +16,23 @@ public open class B {
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
public/*package*/ interface B1 : B.B2 {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract override /*1*/ fun getFoo(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public/*package*/ interface B2 {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun getFoo(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public/*package*/ interface B3 {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public abstract fun getFoo(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
}