fix generated equals wrongly highlighted by dfa inspection

java/java-tests/testData/inspection/dataFlow/fixture/GeneratedEquals.java

@@ -0,0 +1,20 @@
+public class Bar {
+  int foo;
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (!(o instanceof Bar)) return false;
+
+    Bar bar = (Bar) o;
+
+    if (foo != bar.foo) return false;
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    return foo;
+  }
+}