Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/eval-code/indirect/lex-env-no-init-let.js b/js/src/tests/test262/language/eval-code/indirect/lex-env-no-init-let.js
new file mode 100644
index 0000000000..f9c8ea401a
--- /dev/null
+++ b/js/src/tests/test262/language/eval-code/indirect/lex-env-no-init-let.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-performeval
+description: >
+    Indirect eval code creates `let` bindings prior to evaluation but does not
+    initialize them.
+info: |
+    [...]
+    14. For each element d in lexDeclarations do
+        a. NOTE Lexically declared names are only instantiated here but not
+           initialized.
+        b. For each element dn of the BoundNames of d do
+           i. If IsConstantDeclaration of d is true, then
+              1. Perform ? lexEnvRec.CreateImmutableBinding(dn, true).
+           ii. Else,
+               2. Perform ? lexEnvRec.CreateMutableBinding(dn, false).
+    [...]
+features: [let]
+---*/
+
+assert.throws(ReferenceError, function() {
+  (0,eval)('typeof x; let x;');
+});
+
+reportCompare(0, 0);