Merge pull request #1690 from test262-automation/javascriptcore-test262-automation-export-04c056b9

Import test changes from JavaScriptCore

implementation-contributed/curation_logs/javascriptcore.json

 {
-  "sourceRevisionAtLastExport": "93457d631e",
-  "targetRevisionAtLastExport": "04c056b95",
+  "sourceRevisionAtLastExport": "12df785646",
+  "targetRevisionAtLastExport": "5032c509e",
   "curatedFiles": {
     "/stress/Number-isNaN-basics.js": "DELETED_IN_TARGET",
     "/stress/Object_static_methods_Object.getOwnPropertyDescriptors-proxy.js": "DELETED_IN_TARGET",

implementation-contributed/javascriptcore/stress/bug-188298.js

+// This test passes if it does not crash.
+
+function foo() {
+    if (1 < 2);
+    while (true) {
+        if (1 < 2) break;
+    }
+}
+
+for (var i = 0; i < 10000; i++)
+    foo();
+