unqualified super: should be able to invoke methods of Any without extra hassle

when Any is an implicit immediate superclass

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withAmbiguousMethodOfAny.kt

@@ -0,0 +1,12 @@
+interface IA {
+    override fun toString(): String = "IA"
+}
+
+interface IB {
+    override fun toString(): String = "IB"
+}
+
+class C : IA, IB {
+    override fun toString(): String =
+            <!AMBIGUOUS_SUPER!>super<!>.<!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>toString<!>()
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withAmbiguousMethodOfAny.txt

@@ -0,0 +1,20 @@
+package
+
+internal final class C : IA, IB {
+    public constructor C()
+    public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*2*/ fun toString(): kotlin.String
+}
+
+internal interface IA {
+    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*/ fun toString(): kotlin.String
+}
+
+internal interface IB {
+    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*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyImplementedInSuperInterface.kt

@@ -0,0 +1,12 @@
+interface A {
+    override fun toString(): String {
+        return "OK"
+    }
+}
+
+interface B : A
+
+class C : B {
+    override fun toString(): String =
+            super.toString()
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyImplementedInSuperInterface.txt

@@ -0,0 +1,20 @@
+package
+
+internal interface A {
+    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*/ fun toString(): kotlin.String
+}
+
+internal interface B : A {
+    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
+}
+
+internal final class C : B {
+    public constructor C()
+    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*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.kt

@@ -0,0 +1,16 @@
+interface IWithToString {
+    override fun toString(): String
+}
+
+class A : IWithToString {
+    // Should be Any#toString(), even though IWithToString defines an abstract toString.
+    override fun toString(): String = super.toString()
+}
+
+interface IWithImplementedToString {
+    override fun toString(): String = "Heh"
+}
+
+class B : IWithImplementedToString {
+    override fun toString(): String = super.toString()
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodOfAnyOverridenInInterface.txt

@@ -0,0 +1,27 @@
+package
+
+internal final class A : IWithToString {
+    public constructor A()
+    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*/ fun toString(): kotlin.String
+}
+
+internal final class B : IWithImplementedToString {
+    public constructor B()
+    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*/ fun toString(): kotlin.String
+}
+
+internal interface IWithImplementedToString {
+    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*/ fun toString(): kotlin.String
+}
+
+internal interface IWithToString {
+    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 abstract override /*1*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodsOfAny.kt

@@ -0,0 +1,10 @@
+interface IFoo
+
+interface IBar
+
+class A : IFoo, IBar {
+    // Unqualified 'super' should be resolved to 'Any'.
+    override fun equals(other: Any?): Boolean = super.equals(other)
+    override fun hashCode(): Int = super.hashCode()
+    override fun toString(): String = super.toString()
+}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodsOfAny.txt

@@ -0,0 +1,20 @@
+package
+
+internal final class A : IFoo, IBar {
+    public constructor A()
+    public open override /*2*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*2*/ fun hashCode(): kotlin.Int
+    public open override /*2*/ fun toString(): kotlin.String
+}
+
+internal interface IBar {
+    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
+}
+
+internal interface IFoo {
+    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
+}