diff --git a/test/testinternal.cpp b/test/testinternal.cpp
index b3d4ad54f..7f0d2c41c 100644
--- a/test/testinternal.cpp
+++ b/test/testinternal.cpp
@@ -36,7 +36,8 @@ private:
         TEST_CASE(complexPatternInTokenSimpleMatch)
         TEST_CASE(simplePatternSquareBrackets)
         TEST_CASE(simplePatternAlternatives)
-        TEST_CASE(missingPercentCharacter);
+        TEST_CASE(missingPercentCharacter)
+        TEST_CASE(internalError)
     }
 
     void check(const std::string &code) {
@@ -227,6 +228,22 @@ private:
               "}");
         ASSERT_EQUALS("", errout.str());
     }
+
+    void internalError() {
+        // Make sure cppcheck does not raise an internal error of Token::Match ( Ticket #3727 )
+        check("class DELPHICLASS X;\n"
+              "class Y {\n"
+              "private:\n"
+              "   X* x;\n"
+              "};\n"
+              "class Z {\n"
+              "   char z[1];\n"
+              "   Z(){\n"
+              " 	  z[0] = 0;\n"
+              "   }\n"
+              "};\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 REGISTER_TEST(TestInternal)