test for obsolete KT-772

compiler/testData/codegen/regressions/kt772.jet

@@ -0,0 +1,25 @@
+namespace demo2
+
+fun print(o : Any?) {}
+
+fun test(i : Int) {
+    var monthString : String? = "<empty>"
+        when (i) {
+        1 => {
+            print(1)
+            print(2)
+            print(3)
+            print(4)
+            print(5)
+        }
+       else => {
+            monthString = "Invalid month"
+        }
+    }
+    print(monthString)
+}
+
+fun box() : String {
+    for (i in 1..12) test(i)
+    return "OK"
+}

compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java

@@ -231,6 +231,11 @@ public class ControlStructuresTest extends CodegenTestCase {
 //        System.out.println(generateToText());
     }
 
+    public void testKt772() throws Exception {
+        blackBoxFile("regressions/kt772.jet");
+//        System.out.println(generateToText());
+    }
+
     public void testQuicksort() throws Exception {
         blackBoxFile("controlStructures/quicksort.jet");
 //        System.out.println(generateToText());