1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/compound-assignment/subtract-non-simple.js b/js/src/tests/test262/language/expressions/compound-assignment/subtract-non-simple.js
new file mode 100644
index 0000000000..b7287ac573
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/compound-assignment/subtract-non-simple.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-assignment-operators-static-semantics-early-errors
+info: |
+    It is an early Syntax Error if AssignmentTargetType of
+    LeftHandSideExpression is invalid or strict.
+description: Compound subtraction assignment with non-simple target
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+1 -= 1;