Add m-esr52 at 52.6.0

1 files changed, 11 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/collections/Set-iterator-1.js b/js/src/jit-test/tests/collections/Set-iterator-1.js
new file mode 100644
index 000000000..c0bd8fc5a
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Set-iterator-1.js
@@ -0,0 +1,11 @@
+// for-of can be used to iterate over a Set twice.
+
+var set = new Set(['a', 'b', 'c']);
+var log = '';
+
+for (let i = 0; i < 2; i++) {
+    for (let x of set)
+        log += x;
+    log += ';'
+}
+assertEq(log, 'abc;abc;');