1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Promise/bug-1287334.js b/js/src/tests/ecma_6/Promise/bug-1287334.js
new file mode 100644
index 000000000..0bd25decd
--- /dev/null
+++ b/js/src/tests/ecma_6/Promise/bug-1287334.js
@@ -0,0 +1,12 @@
+if (!this.Promise) {
+    this.reportCompare && reportCompare(true, true);
+    quit(0);
+}
+
+var promise = Promise.resolve(1);
+var FakeCtor = function(exec){ exec(function(){}, function(){}); };
+Object.defineProperty(Promise, Symbol.species, {value: FakeCtor});
+// This just shouldn't crash. It does without bug 1287334 fixed.
+promise.then(function(){});
+
+this.reportCompare && reportCompare(true, true);