1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/assignment/member-expr-ident-name-implements-escaped.js b/js/src/tests/test262/language/expressions/assignment/member-expr-ident-name-implements-escaped.js
new file mode 100644
index 0000000000..e60fb6b590
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/assignment/member-expr-ident-name-implements-escaped.js
@@ -0,0 +1,24 @@
+// This file was procedurally generated from the following sources:
+// - src/identifier-names/implements-escaped.case
+// - src/identifier-names/future-reserved-words/member-expr.template
+/*---
+description: implements is a valid identifier name, using escape (MemberExpression IdentifierName)
+esid: prod-PropertyDefinition
+flags: [generated]
+info: |
+    MemberExpression:
+      ...
+      MemberExpression . IdentifierName
+
+    Reserved Words
+
+    A reserved word is an IdentifierName that cannot be used as an Identifier.
+---*/
+
+var obj = {};
+
+obj.\u0069mplements = 42;
+
+assert.sameValue(obj['implements'], 42, 'property exists');
+
+reportCompare(0, 0);