1 files changed, 26 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/bigint-negate.js b/deps/v8/test/mjsunit/compiler/bigint-negate.js
new file mode 100644
index 0000000000..616f74ce12
--- /dev/null
+++ b/deps/v8/test/mjsunit/compiler/bigint-negate.js
@@ -0,0 +1,26 @@
+// 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 TestNegate() {
+  assertEquals(0n, -0n);
+
+  const x = 15n;
+  assertEquals(-15n, -x);
+  assertEquals(15n, - -x);
+  assertEquals(30n, -(-x + -x));
+}
+
+function OptimizeAndTest(fn) {
+  %PrepareFunctionForOptimization(fn);
+  fn();
+  fn();
+  %OptimizeFunctionOnNextCall(fn);
+  fn();
+  assertOptimized(fn);
+  fn();
+}
+
+OptimizeAndTest(TestNegate);