1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/record-tuple/compacting-gc-nested-tuples.js b/js/src/jit-test/tests/record-tuple/compacting-gc-nested-tuples.js
new file mode 100644
index 0000000000..396ab359ed
--- /dev/null
+++ b/js/src/jit-test/tests/record-tuple/compacting-gc-nested-tuples.js
@@ -0,0 +1,23 @@
+// |jit-test| skip-if: !this.hasOwnProperty("Tuple")
+gczeal(14); // Be sure to run compacting GC
+
+function f() {
+  assertEq(#[1, 2].flatMap(function(e) {
+    return #[e, e * 2];
+  }), #[1, 2, 2, 4]);
+
+  var result = #[1, 2, 3].flatMap(function(ele) {
+    return #[
+      #[ele * 2]
+    ];
+  });
+
+  assertEq(result.length, 3);
+  assertEq(result[0], #[2]);
+  assertEq(result[1], #[4]);
+  assertEq(result[2], #[6]);
+}
+
+for (i = 0; i < 20; i++) {
+    f();
+}