[NI] Approximate captured types when we resolve type variable TO_SUPER.

compiler/testData/diagnostics/tests/inference/flexibleTypesAsUpperBound.kt

@@ -0,0 +1,13 @@
+// FILE: 1.kt
+fun <S> Array<S>.plus(): Array<S> {
+    val result = Arrays.copyOf(this, 3)
+    // result type is Array<(out) (S&Any)!>!
+    return result
+}
+
+// FILE: Arrays.java
+public class Arrays {
+    public static <T> T[] copyOf(T[] original, int newLength) {
+        return (T[]) null;
+    }
+}

compiler/testData/diagnostics/tests/inference/flexibleTypesAsUpperBound.txt

@@ -0,0 +1,13 @@
+package
+
+public fun </*0*/ S> kotlin.Array<S>.plus(): kotlin.Array<S>
+
+public open class Arrays {
+    public constructor Arrays()
+    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
+
+    // Static members
+    public open fun </*0*/ T : kotlin.Any!> copyOf(/*0*/ original: kotlin.Array<(out) T!>!, /*1*/ newLength: kotlin.Int): kotlin.Array<(out) T!>!
+}

compiler/testData/diagnostics/tests/inference/nullableTypeArgumentWithNotNullUpperBound.kt

@@ -0,0 +1,11 @@
+fun <S : Any> foo(x: Array<out S?>, y: Array<in S?>) {
+    val xo = outA(x)
+    val yo = inA(y)
+
+    var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>f<!>: Array<S> = xo
+    <!UNUSED_VALUE!>f =<!> yo
+}
+
+
+fun <X : Any> outA(<!UNUSED_PARAMETER!>x<!>: Array<out X?>): Array<X> = TODO()
+fun <Y : Any> inA(<!UNUSED_PARAMETER!>x<!>: Array<in Y?>): Array<Y> = TODO()

compiler/testData/diagnostics/tests/inference/nullableTypeArgumentWithNotNullUpperBound.txt

@@ -0,0 +1,5 @@
+package
+
+public fun </*0*/ S : kotlin.Any> foo(/*0*/ x: kotlin.Array<out S?>, /*1*/ y: kotlin.Array<in S?>): kotlin.Unit
+public fun </*0*/ Y : kotlin.Any> inA(/*0*/ x: kotlin.Array<in Y?>): kotlin.Array<Y>
+public fun </*0*/ X : kotlin.Any> outA(/*0*/ x: kotlin.Array<out X?>): kotlin.Array<X>