KT-1845 test for obsolete issue

compiler/testData/codegen/regressions/kt1845_1.kt

@@ -0,0 +1,5 @@
+public var v1: String = "V1"
+
+fun main(args: Array<String>) {
+    System.out?.println("v1: $v1, v2: $v2")
+}

compiler/testData/codegen/regressions/kt1845_2.kt

@@ -0,0 +1 @@
+public var v2: String = "V2"