1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/unicodeSets/uv-flags.js b/js/src/tests/test262/built-ins/RegExp/prototype/unicodeSets/uv-flags.js
new file mode 100644
index 0000000000..9432dda9b0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/unicodeSets/uv-flags.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright 2022 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Setting the `u` and `v` flag at the same time produces an error.
+esid: sec-parsepattern
+negative:
+  phase: parse
+  type: SyntaxError
+features: [regexp-v-flag]
+---*/
+
+$DONOTEVALUATE();
+
+/./uv;