Java: Fixed duplicate matching for complex expressions (IDEA-188127)

java/java-tests/testData/refactoring/extractMethod/CallChainExpression_after.java

@@ -0,0 +1,17 @@
+class CallChainExpression {
+    String foo() {
+        String s = newMethod();
+        System.out.println(s);
+        return s;
+    }
+
+    private String newMethod() {
+        return A.a().b().c;
+    }
+
+    static class A {
+        static A a() { return new A(); }
+        A b() { return this; }
+        String c = "";
+    }
+}