Add test checking that fun isn't inherited from base interface

compiler/testData/diagnostics/tests/funInterface/funIsNotInheritedFromBaseInterface.fir.kt

@@ -0,0 +1,19 @@
+// !LANGUAGE: +NewInference +FunctionalInterfaceConversion +SamConversionPerArgument +SamConversionForKotlinFunctions
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+fun interface Base {
+    fun invoke()
+}
+
+interface WithoutFun : Base
+fun interface WithFun : Base
+
+fun takeBase(b: Base) {}
+fun takeWithoutFun(a: WithoutFun) {}
+fun takeWithFun(a: WithFun) {}
+
+fun test() {
+    takeBase {}
+    takeWithoutFun({})
+    takeWithFun {}
+}

compiler/testData/diagnostics/tests/funInterface/funIsNotInheritedFromBaseInterface.kt

@@ -0,0 +1,19 @@
+// !LANGUAGE: +NewInference +FunctionalInterfaceConversion +SamConversionPerArgument +SamConversionForKotlinFunctions
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+fun interface Base {
+    fun invoke()
+}
+
+interface WithoutFun : Base
+fun interface WithFun : Base
+
+fun takeBase(b: Base) {}
+fun takeWithoutFun(a: WithoutFun) {}
+fun takeWithFun(a: WithFun) {}
+
+fun test() {
+    takeBase {}
+    takeWithoutFun(<!TYPE_MISMATCH!>{}<!>)
+    takeWithFun {}
+}

compiler/testData/diagnostics/tests/funInterface/funIsNotInheritedFromBaseInterface.txt

@@ -0,0 +1,27 @@
+package
+
+public fun takeBase(/*0*/ b: Base): kotlin.Unit
+public fun takeWithFun(/*0*/ a: WithFun): kotlin.Unit
+public fun takeWithoutFun(/*0*/ a: WithoutFun): kotlin.Unit
+public fun test(): kotlin.Unit
+
+public fun interface Base {
+    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 fun invoke(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public fun interface WithFun : Base {
+    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*/ /*fake_override*/ fun invoke(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface WithoutFun : Base {
+    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*/ /*fake_override*/ fun invoke(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}