[typedarrays] sort in C++ for undefined comparefn

test/js-perf-test/JSTests.json

Index: test/js-perf-test/JSTests.json
diff --git a/test/js-perf-test/JSTests.json b/test/js-perf-test/JSTests.json
index 2e2524ba310411da9b07d99f9c4b41fafcf5b752..c7c73908545780dc8d1ee57183d2bb2e01f72362 100644
--- a/test/js-perf-test/JSTests.json
+++ b/test/js-perf-test/JSTests.json
@@ -283,7 +283,7 @@
         {
           "name": "CopyWithin",
           "main": "run.js",
-          "test_flags": ["typedarrays"]
+          "test_flags": ["copywithin"]
         },
         {
           "name": "Constructor",
@@ -296,6 +296,11 @@
           "results_regexp": "^TypedArrays\\-Constructor\\(Score\\): (.+)$",
           "main": "run.js",
           "test_flags": ["constructor"]
+        },
+        {
+          "name": "Sort",
+          "main": "run.js",
+          "test_flags": ["sort"]
         }
       ]
     }