IDEA-223192 Non-initialized variable error is not displayed in nested switch statement

GitOrigin-RevId: 850afa74fb22dd858bdc8ff7903946678e53d82c

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/AssignToFinal.java

@@ -261,4 +261,21 @@ class ParenthesizedThis {
     (this).x = 5; // javac disallows this -- probably a bug in javac
     <error descr="Variable 'x' might already have been assigned to">this.x</error> = 6;
   }
-}
+}
+
+class NestedSwitch {
+  public static void main(String[] args) {
+    for(int i = 0; i < 8; i++) {
+      switch (i) {
+        case 0:
+          break;
+        default:
+          switch (i+1) {
+            default:
+              final int var;
+              <error descr="Variable 'var' might not have been initialized">var</error>++;
+          }
+      }
+    }
+  }
+}