1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/RegExp/split-deleted-flags.js b/js/src/tests/ecma_6/RegExp/split-deleted-flags.js
new file mode 100644
index 000000000..d2ccc852d
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/split-deleted-flags.js
@@ -0,0 +1,11 @@
+var BUGNUMBER = 1322319;
+var summary = "RegExp.prototype.split should throw if RegRxp.prototype.flags is deleted."
+
+print(BUGNUMBER + ": " + summary);
+
+delete RegExp.prototype.flags;
+
+assertThrowsInstanceOf(() => "aaaaa".split(/a/), SyntaxError);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);