Refine types returned by OptimizationBasicInterpreter.newValue

#KT-12958 Fixed

compiler/testData/codegen/box/coroutines/kt12958.kt

@@ -0,0 +1,36 @@
+class Controller {
+    var result = "fail"
+    suspend fun <V> suspendHere(v: V, x: Continuation<V>) {
+        x.resume(v)
+    }
+
+    operator fun handleResult(x: String, c: Continuation<Nothing>) {
+        result = x
+    }
+}
+
+fun builder(coroutine c: Controller.() -> Continuation<Unit>): String {
+    val controller = Controller()
+    c(controller).resume(Unit)
+
+    return controller.result
+}
+
+fun foo(): String = builder {
+    // A piece of code for next statement:
+    // INVOKEVIRTUAL suspendHere
+    // CHECKCAST [B
+    //
+    // Analyzer uses `newValue` method for estimation of type generated by CHECKCAST insn,
+    // but for arrays `newValue` returned just Basic.REFERENCE_VALUE, thus we didn't add necessary checkcasts
+    // for variables spilled into fields
+    val data2 = suspendHere(ByteArray(2))
+
+    suspendHere("<ignored>")
+    data2.size.toString()
+}
+
+fun box(): String {
+    if (foo() != "2") return "fail 1"
+    return "OK"
+}