Add m-esr52 at 52.6.0

1 files changed, 13 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/for-of/proxy-3.js b/js/src/jit-test/tests/for-of/proxy-3.js
new file mode 100644
index 000000000..1d7b84847
--- /dev/null
+++ b/js/src/jit-test/tests/for-of/proxy-3.js
@@ -0,0 +1,13 @@
+// An exception thrown from a proxy trap while getting the .iterator method is propagated.
+
+load(libdir + "asserts.js");
+load(libdir + "iteration.js");
+
+var p = new Proxy({}, {
+    get(target, property) {
+        if (property === Symbol.iterator)
+            throw "fit";
+        return undefined;
+    }
+});
+assertThrowsValue(function () { for (var v of p) {} }, "fit");