tests for obsolete tasks

#KT-2445 fixed
 #KT-2459 fixed

compiler/testData/diagnostics/tests/inference/regressions/kt2459.kt

@@ -0,0 +1,10 @@
+//KT-2459 Type inference error
+package b
+
+import java.util.*
+
+class B<T>(val x: List<T>)
+fun <T> f(x: T): B<T> = B(arrayList(x))
+
+// from standard library
+fun arrayList<T>(vararg <!UNUSED_PARAMETER!>values<!>: T) : ArrayList<T> {<!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>}<!>