Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 43 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/call/eval-spread-empty-leading.js b/js/src/tests/test262/language/expressions/call/eval-spread-empty-leading.js
new file mode 100644
index 0000000000..e3170f8ad1
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/call/eval-spread-empty-leading.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-calls-runtime-semantics-evaluation
+description: >
+  Direct eval call with empty leading spread.
+info: |
+  12.3.4.1 Runtime Semantics: Evaluation
+    ...
+    3. If Type(ref) is Reference and IsPropertyReference(ref) is false and GetReferencedName(ref) is "eval", then
+      a. If SameValue(func, %eval%) is true, then
+        i. Let argList be ? ArgumentListEvaluation(Arguments).
+        ii. If argList has no elements, return undefined.
+        iii. Let evalText be the first element of argList.
+        ...
+
+features: [Symbol.iterator]
+---*/
+
+var nextCount = 0;
+var iter = {};
+iter[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      var i = nextCount++;
+      return {done: true, value: undefined};
+    }
+  };
+};
+
+var x = "global";
+
+(function() {
+  var x = "local";
+  eval(...iter, "x = 0;");
+  assert.sameValue(x, 0);
+})();
+
+assert.sameValue(x, "global");
+assert.sameValue(nextCount, 1);
+
+reportCompare(0, 0);