1 files changed, 16 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/bigint/regress-tonumbercode.js b/deps/v8/test/mjsunit/harmony/bigint/regress-tonumbercode.js
new file mode 100644
index 00000000000..4dedf4d27c7
--- /dev/null
+++ b/deps/v8/test/mjsunit/harmony/bigint/regress-tonumbercode.js
@@ -0,0 +1,16 @@
+// Copyright 2018 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 --harmony-bigint
+
+function f(x, b) {
+    if (b) return Math.trunc(+(x))
+    else return Math.trunc(Number(x))
+}
+
+f("1", true);
+f("2", true);
+f("2", false);
+%OptimizeFunctionOnNextCall(f);
+f(3n);