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-rw-r--r--js/src/jit-test/tests/collections/Map-iterator-already-done.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterator-already-done.js b/js/src/jit-test/tests/collections/Map-iterator-already-done.js
new file mode 100644
index 0000000000..3e3db75436
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-iterator-already-done.js
@@ -0,0 +1,12 @@
+let a = new Map();
+for (let i = 0; i < 1000; i++)
+ a.set(i, i);
+
+function f() {
+ let iter = a.entries();
+ while (!iter.next().done) {}
+ iter.next();
+}
+
+for (let i = 0; i < 10; i++)
+ f();