TEST: test for default parameters

(cherry picked from commit 7999d68d812aedd5863f04b7fd2171e284b8f332)

backend.native/tests/codegen/function/defaults2.kt

@@ -0,0 +1,10 @@
+
+fun Int.foo(inc0:Int, inc:Int = 0) = this + inc0 + inc
+
+fun main(arg:Array<String>) {
+    val v = 42.foo(0)
+    if (v != 42) {
+        println("test failed v:$v expected:42")
+        throw Error()
+    }
+}