1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-field.js b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-field.js
new file mode 100644
index 0000000000..42710bd0d7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/syntax/early-errors/grammar-privatemeth-duplicate-set-field.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// This file was procedurally generated from the following sources:
+// - src/class-elements/grammar-privatemeth-duplicate-set-field.case
+// - src/class-elements/syntax/invalid/cls-decl-elements-invalid-syntax.template
+/*---
+description: It's a SyntaxError if a class contains a private setter and a private field with the same name (class declaration)
+esid: prod-ClassElement
+features: [class-methods-private, class-fields-private, class]
+flags: [generated]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Static Semantics: Early Errors
+
+    ClassBody : ClassElementList
+        It is a Syntax Error if PrivateBoundNames of ClassBody contains any duplicate entries, unless the name is used once for a getter and once for a setter and in no other entries.
+
+---*/
+
+
+$DONOTEVALUATE();
+
+class C {
+  #m;
+  set #m(_) {}
+}