Add m-esr52 at 52.6.0

1 files changed, 15 insertions, 0 deletions

diff --git a/js/src/tests/ecma_5/Global/bug-320887.js b/js/src/tests/ecma_5/Global/bug-320887.js
new file mode 100644
index 000000000..5e8d3445a
--- /dev/null
+++ b/js/src/tests/ecma_5/Global/bug-320887.js
@@ -0,0 +1,15 @@
+// `var x` should not call the getter of an existing global property.
+
+var hit = 0;
+Object.defineProperty(this, "x", {
+    get: function () { return ++hit; },
+    configurable: true
+});
+eval("var x;");
+assertEq(hit, 0);
+
+// The declaration should not have redefined the global x, either.
+assertEq(x, 1);
+assertEq(x, 2);
+
+reportCompare(0, 0);