1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/grammar-private-field-optional-chaining.js b/js/src/tests/test262/language/statements/class/elements/grammar-private-field-optional-chaining.js
new file mode 100644
index 0000000000..d0c3fc7cbe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/grammar-private-field-optional-chaining.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-private-field-optional-chaining.case
+// - src/class-elements/default/cls-decl.template
+/*---
+description: PrivateName after '?.' is valid syntax (field definitions in a class declaration)
+esid: prod-FieldDefinition
+features: [class-fields-private, optional-chaining, class]
+flags: [generated]
+info: |
+    Updated Productions
+
+    OptionalChain[Yield, Await]:
+      `?.` `[` Expression[+In, ?Yield, ?Await] `]`
+      `?.` IdentifierName
+      `?.` Arguments[?Yield, ?Await]
+      `?.` TemplateLiteral[?Yield, ?Await, +Tagged]
+      `?.` PrivateIdentifier
+
+---*/
+
+
+class C {
+  #m = 'test262';
+
+  static access(obj) {
+    return obj?.#m;
+  }
+}
+
+let c = new C();
+
+assert.sameValue(C.access(c), 'test262');
+
+assert.sameValue(C.access(null), undefined);
+assert.sameValue(C.access(undefined), undefined);
+
+assert.throws(TypeError, function() {
+  C.access({});
+}, 'accessed private field from an ordinary object');
+
+
+reportCompare(0, 0);