Added diagnostic tests for inference and incorporation

compiler/testData/diagnostics/tests/inference/commonSystem/theSameFunctionInArgs.kt

@@ -0,0 +1,8 @@
+// !CHECK_TYPE
+
+fun <T> arrayOf(vararg t : T) : Array<T> = t as Array<T>
+
+fun test() {
+    val array = arrayOf(arrayOf(1))
+    array checkType { _<Array<Array<Int>>>() }
+}