Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/letTDZAfterInitializer.js b/js/src/jit-test/tests/basic/letTDZAfterInitializer.js
new file mode 100644
index 000000000..575615c17
--- /dev/null
+++ b/js/src/jit-test/tests/basic/letTDZAfterInitializer.js
@@ -0,0 +1,19 @@
+function throwSomething() {
+  throw "something";
+}
+
+try {
+  // Use eval to force BINDNAME. Should throw "something" instead of the TDZ
+  // ReferenceError.
+  eval("x = throwSomething()");
+  let x;
+} catch (e) {
+  assertEq(e, "something");
+}
+
+try {
+  eval("x = 42");
+  let x;
+} catch (e) {
+  assertEq(e instanceof ReferenceError, true);
+}