Add ir interpreter tests

compiler/testData/ir/interpreter/defaultArgs.kt

@@ -0,0 +1,12 @@
+@CompileTimeCalculation
+fun sum(a: Int = 1, b: Int = 2, c: Int = 3) = a + b + c
+
+@CompileTimeCalculation
+fun sumBasedOnPrevious(a: Int = 1, b: Int = a * 2, c: Int = b * 2) = a + b + c
+
+const val sum1 = <!EVALUATED: `6`!>sum()<!>
+const val sum2 = <!EVALUATED: `1`!>sum(b = -3)<!>
+const val sum3 = <!EVALUATED: `3`!>sum(c = 1, a = 1, b = 1)<!>
+
+const val sumBasedOnPrevious1 = <!EVALUATED: `7`!>sumBasedOnPrevious()<!>
+const val sumBasedOnPrevious2 = <!EVALUATED: `3`!>sumBasedOnPrevious(b = 1, c = 1)<!>