1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/assignment/target-assignment-inside-function.js b/js/src/tests/test262/language/expressions/assignment/target-assignment-inside-function.js
new file mode 100644
index 0000000000..4ba6dee38c
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+++ b/js/src/tests/test262/language/expressions/assignment/target-assignment-inside-function.js
@@ -0,0 +1,24 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-assignment-operators-static-semantics-early-errors
+description: Applied to assignment
+info: |
+  AssignmentExpression : LeftHandSideExpression = AssignmentExpression
+
+  - It is an early Syntax Error if LeftHandSideExpression is neither an
+    ObjectLiteral nor an ArrayLiteral and AssignmentTargetType of
+    LeftHandSideExpression is invalid or strict.
+
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function f() {
+  var a, b = 2;
+  (a = b) = 1;
+}