Make NON_CONST_VAL_USED_IN_CONSTANT_EXPRESSION error

compiler/testData/codegen/boxWithStdlib/annotations/kotlinPropertyFromClassObjectAsParameter.kt

@@ -30,14 +30,14 @@ annotation class Ann(
 
 class Foo {
     companion object {
-        val i: Int = 2
-        val s: Short = 2
-        val f: Float = 2.0.toFloat()
-        val d: Double = 2.0
-        val l: Long = 2
-        val b: Byte = 2
-        val bool: Boolean = true
-        val c: Char = 'c'
-        val str: String = "str"
+        const val i: Int = 2
+        const val s: Short = 2
+        const val f: Float = 2.0.toFloat()
+        const val d: Double = 2.0
+        const val l: Long = 2
+        const val b: Byte = 2
+        const val bool: Boolean = true
+        const val c: Char = 'c'
+        const val str: String = "str"
     }
 }