Update testother.cpp

Author: chrchr-github

test/testother.cpp

@@ -201,6 +201,7 @@ class TestOther : public TestFixture {
         TEST_CASE(duplicateExpression19);
         TEST_CASE(duplicateExpression20);
         TEST_CASE(duplicateExpression21);
+        TEST_CASE(duplicateExpression22);
         TEST_CASE(duplicateExpressionLoop);
         TEST_CASE(duplicateValueTernary);
         TEST_CASE(duplicateValueTernarySizeof); // #13773
@@ -8358,6 +8359,22 @@ class TestOther : public TestFixture {
         ASSERT_EQUALS("", errout_str());
     }
 
+    void duplicateExpression22() {
+        check("int f() {\n" // #14913
+              "    return 0x1 | (0x2 | 0x4) | 0x1;\n"
+              "}\n"
+              "int g() {\n"
+              "    return 0x1 | (0x2 | 0x1);\n"
+              "}\n"
+              "int h() {\n"
+              "    return 0x1 | (0x1 | 0x2);\n"
+              "}\n");
+        ASSERT_EQUALS("[test.cpp:2:30]: (style) Same expression '0x1' found multiple times in chain of '|' operators. [duplicateExpression]\n"
+                      "[test.cpp:5:23]: (style) Same expression '0x1' found multiple times in chain of '|' operators. [duplicateExpression]\n"
+                      "[test.cpp:8:23]: (style) Same expression '0x1' found multiple times in chain of '|' operators. [duplicateExpression]\n",
+                      errout_str());
+    }
+
     void duplicateExpressionLoop() {
         check("void f() {\n"
               "    int a = 1;\n"