Add m-esr52 at 52.6.0

1 files changed, 22 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/ion/lexical-check-2.js b/js/src/jit-test/tests/ion/lexical-check-2.js
new file mode 100644
index 0000000000..30dbb67b97
--- /dev/null
+++ b/js/src/jit-test/tests/ion/lexical-check-2.js
@@ -0,0 +1,22 @@
+function f(i) {
+    if (i == 1500)
+        g();
+    const x = 42;
+    function g() {
+        return x;
+    }
+    return g;
+}
+
+var caught = false;
+var i;
+try {
+    for (i = 0; i < 2000; i++)
+        assertEq(f(i)(), 42);
+} catch(e) {
+    assertEq(e instanceof ReferenceError, true);
+    assertEq(i, 1500);
+    caught = true;
+}
+assertEq(caught, true);
+