1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1888746.js b/js/src/jit-test/tests/basic/bug1888746.js
new file mode 100644
index 0000000000..8e6d0cd0b9
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1888746.js
@@ -0,0 +1,12 @@
+function comparator(x, y) {
+  saveStack();
+  return {valueOf: function() {
+    saveStack();
+    return x - y;
+  }};
+}
+for (let i = 0; i < 20; i++) {
+  let arr = [3, 1, 2];
+  arr.sort(comparator);
+  assertEq(arr.toString(), "1,2,3");
+}