1 files changed, 20 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/maglev/regress/regress-crbug-1421712.js b/deps/v8/test/mjsunit/maglev/regress/regress-crbug-1421712.js
new file mode 100644
index 0000000000..b647d5f4b3
--- /dev/null
+++ b/deps/v8/test/mjsunit/maglev/regress/regress-crbug-1421712.js
@@ -0,0 +1,20 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --maglev
+
+function f0(a) {
+  while (a > 0) {
+    [115,109,-1,96,127,5,,1,9223372036854775806,17,2,0,103];
+    const v35 = Math.round(-1e-15);
+    Math[v35];
+    a = 0;
+  }
+  return f0;
+}
+
+%PrepareFunctionForOptimization(f0);
+f0(1);
+%OptimizeMaglevOnNextCall(f0);
+f0(1);