--- old/test/jdk/com/sun/tools/jextract/Runner.java	2019-04-24 14:05:59.000000000 +0530
+++ new/test/jdk/com/sun/tools/jextract/Runner.java	2019-04-24 14:05:57.000000000 +0530
@@ -299,7 +299,7 @@
         actualCL = new ClassLoader() {
             @Override
             protected Class<?> findClass(String name) throws ClassNotFoundException {
-                byte[] byteCode = actualClz.get(canonicalize(name));
+                byte[] byteCode = actualClz.get(name);
                 if (byteCode == null) throw new ClassNotFoundException(name);
                 return defineClass(name, byteCode, 0, byteCode.length);
             }
@@ -316,10 +316,6 @@
         return classname.replace('/', '.');
     }
 
-    private static String canonicalize(String classname) {
-        return classname.replace('.', '/');
-    }
-
     private static Path[] paths(String testDir, String[] files, boolean platformDependent) {
         boolean isWindows = System.getProperty("os.name").startsWith("Windows");
         return Arrays.stream(files)