Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 23 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/switch/scope-lex-const.js b/js/src/tests/test262/language/statements/switch/scope-lex-const.js
new file mode 100644
index 0000000000..27a1adcc29
--- /dev/null
+++ b/js/src/tests/test262/language/statements/switch/scope-lex-const.js
@@ -0,0 +1,23 @@
+// |reftest| error:ReferenceError
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-switch-statement-runtime-semantics-evaluation
+description: Creation of new lexical environment (into `default` clause)
+info: |
+    1. Let exprRef be the result of evaluating Expression.
+    2. Let switchValue be ? GetValue(exprRef).
+    3. Let oldEnv be the running execution context's LexicalEnvironment.
+    4. Let blockEnv be NewDeclarativeEnvironment(oldEnv).
+    5. Perform BlockDeclarationInstantiation(CaseBlock, blockEnv).
+    6. Set the running execution context's LexicalEnvironment to blockEnv.
+    7. Let R be the result of performing CaseBlockEvaluation of CaseBlock with
+      argument switchValue.
+    [...]
+negative:
+  phase: runtime
+  type: ReferenceError
+---*/
+
+switch (0) { default: const x = 1; }
+x;