1 files changed, 7 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp/bug1718842-1.js b/js/src/jit-test/tests/regexp/bug1718842-1.js
new file mode 100644
index 0000000000..35b557b6b4
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/bug1718842-1.js
@@ -0,0 +1,7 @@
+var g = newGlobal({sameZoneAs: this});
+
+var re1 = RegExp("(?<a>a)");
+var re2 = g.RegExp("(?<a>a)");
+
+re1.exec("a");
+re2.exec("a");