1 files changed, 28 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/bigint/rematerialize-on-deopt.js b/deps/v8/test/mjsunit/harmony/bigint/rematerialize-on-deopt.js
new file mode 100644
index 0000000000..cee915ccaf
--- /dev/null
+++ b/deps/v8/test/mjsunit/harmony/bigint/rematerialize-on-deopt.js
@@ -0,0 +1,28 @@
+// Copyright 2019 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 --opt
+
+{
+  function test(a, b, c) {
+    let x = BigInt.asUintN(64, a + b);
+    console.log(x);
+    try {
+      return BigInt.asUintN(64, x + c);
+    } catch(_) {
+      return x;
+    }
+  }
+
+  %PrepareFunctionForOptimization(test);
+  test(3n, 4n, 5n);
+  test(6n, 7n, 8n);
+  test(9n, 2n, 1n);
+  %OptimizeFunctionOnNextCall(test);
+  test(1n, 2n, 3n);
+  test(3n, 2n, 1n);
+
+  assertEquals(6n, test(1n, 3n, 2n));
+  assertEquals(5n, test(2n, 3n, 2));
+}