change signature: conflict if deleted parameter is used in method body, excluding javadoc (IDEA-157603)

java/java-tests/testData/refactoring/changeSignature/ConflictForUsedParametersInMethodBody.java

@@ -0,0 +1,9 @@
+class A {
+  void f<caret>oo(int i) {}
+}
+
+class B extends A {
+  void foo(int i) {
+    System.out.println(i);
+  }
+}