testcase for nonstandard (apparently invalid) patternchar in regexp, which is still accepted by V8/Rhino

ecmascript-testcases/test-regexp-nonstandard-patternchar.js

@@ -0,0 +1,21 @@
+/*
+ *  V8 and Rhino both allow an unescaped brace to appear literally.
+ *  Technically this seems to be incorrect because Ecmascript RegExp
+ *  syntax does not allow reserved characters like '{' to appear as
+ *  PatternCharacters.
+ */
+
+/* FIXME: this now tests V8/Rhino behavior, is this desired? */
+
+/*===
+4
+===*/
+
+try {
+    var re = eval("/{/");
+    var res = re.exec('foo {');
+    print(res.index);
+} catch (e) {
+    print(e);
+}
+