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-rw-r--r--js/src/jit-test/tests/collections/bug-1381423.js5
1 files changed, 5 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/bug-1381423.js b/js/src/jit-test/tests/collections/bug-1381423.js
new file mode 100644
index 0000000000..59b29d3f01
--- /dev/null
+++ b/js/src/jit-test/tests/collections/bug-1381423.js
@@ -0,0 +1,5 @@
+var s = new Set(Array(1000).fill(0).map((v, k) => k + 1));
+do {
+ var n = [...s].length;
+ assertEq(n, 1000);
+} while (!inIon());