Add m-esr52 at 52.6.0

1 files changed, 53 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/ion/bindname.js b/js/src/jit-test/tests/ion/bindname.js
new file mode 100644
index 000000000..be5eca2d0
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bindname.js
@@ -0,0 +1,53 @@
+// Test the scope chain walk.
+function test1() {
+    var x = 0;
+    function f1(addprop) {
+        function f2() {
+            eval("");
+            function f3() {
+                eval("");
+                function f4() {
+                    for (var i=0; i<100; i++) {
+                        x = x + i;
+                    }
+                }
+                return f4;
+            }
+            return f3();
+        }
+        var g = f2();
+        g();
+        if (addprop)
+            eval("var a1 = 3; var x = 33;");
+        g();
+        if (addprop)
+            assertEq(x, 4983);
+        return f2();
+    }
+
+    var g = f1(true);
+    g();
+    g = f1(false);
+    eval("var y = 2020; var z = y + 3;");
+    g();
+    return x;
+}
+assertEq(test1(), 19800);
+
+// Test with non-cacheable objects on the scope chain.
+function test2(o) {
+    var x = 0;
+    with ({}) {
+        with (o) {
+            var f = function() {
+                for (var i=0; i<100; i++) {
+                    x++;
+                }
+            };
+        }
+    }
+    f();
+    assertEq(o.x, 110);
+    assertEq(x, 0);
+}
+test2({x: 10});