1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp/bug1640475.js b/js/src/jit-test/tests/regexp/bug1640475.js
new file mode 100644
index 0000000000..58c092ec1d
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/bug1640475.js
@@ -0,0 +1,9 @@
+// |jit-test| skip-if: !('oomTest' in this)
+
+var i = 0;
+oomTest(function() {
+    for (var j = 0; j < 10; ++j) {
+        var r = RegExp(`(?<_${(i++).toString(32)}>a)`);
+        r.exec("a");
+    }
+});