Add m-esr52 at 52.6.0

1 files changed, 10 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/collections/Map-clear-4.js b/js/src/jit-test/tests/collections/Map-clear-4.js
new file mode 100644
index 000000000..2925c801f
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-clear-4.js
@@ -0,0 +1,10 @@
+// Clearing a Map after deleting some entries works.
+
+var m = new Map([["a", 1], ["b", 2], ["c", 3], ["d", 4]]);
+for (var [k, v] of m)
+    if (k !== "c")
+        m.delete(k);
+m.clear();
+assertEq(m.size, 0);
+assertEq(m.has("c"), false);
+assertEq(m.has("d"), false);