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diff --git a/js/src/tests/test262/language/expressions/object/method-definition/private-name-early-error-method.js b/js/src/tests/test262/language/expressions/object/method-definition/private-name-early-error-method.js
new file mode 100644
index 0000000000..093f1996d6
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+++ b/js/src/tests/test262/language/expressions/object/method-definition/private-name-early-error-method.js
@@ -0,0 +1,25 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2018 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-static-semantics-early-errors
+description: >
+  Throws an early SyntaxError if a method definition has a private name.
+  (ordinary method)
+info: |
+  Static Semantics: Early Errors
+
+  PropertyDefinition : MethodDefinition
+    It is a Syntax Error if PrivateBoundNames of MethodDefinition is non-empty.
+negative:
+  phase: parse
+  type: SyntaxError
+features: [class-methods-private]
+---*/
+
+$DONOTEVALUATE();
+
+var o = {
+  #m() {}
+};