Fix for KT-16581: VerifyError when calling default value parameter with jvm-target 1.8

#KT-16581 Fixed

compiler/testData/codegen/java8/box/jvm8/kt16581_2.kt

@@ -0,0 +1,17 @@
+// JVM_TARGET: 1.8
+
+fun test(o: Number) {}
+
+fun test2(o: Number) {
+    val p: Int = 1
+    val o = if (z < 1) p else o
+    test(o)
+}
+
+var z = 1
+
+fun box(): String {
+    val x: Number = 1
+    test2(x)
+    return "OK"
+}