Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 31 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/postfix-increment/target-cover-id.js b/js/src/tests/test262/language/expressions/postfix-increment/target-cover-id.js
new file mode 100644
index 0000000000..74f3f71f32
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/postfix-increment/target-cover-id.js
@@ -0,0 +1,31 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-postfix-expressions-static-semantics-early-errors
+es6id: 12.4.1
+es5id: 11.1.6_A3_T5
+description: Applied to a "covered" IdentifierReference
+info: |
+  PostfixExpression :
+    LeftHandSideExpression ++
+    LeftHandSideExpression --
+
+  - It is an early Reference Error if IsValidSimpleAssignmentTarget of
+    LeftHandSideExpression is false.
+
+  Static Semantics: IsValidSimpleAssignmentTarget
+
+  IdentifierReference : Identifier
+
+  1. If this IdentifierReference is contained in strict mode code and
+     StringValue of Identifier is "eval" or "arguments", return false.
+  2. Return true.
+---*/
+
+var y = 1;
+
+(y)++;
+
+assert.sameValue(y, 2);
+
+reportCompare(0, 0);