1 files changed, 24 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-976256.js b/deps/v8/test/mjsunit/regress/regress-crbug-976256.js
new file mode 100644
index 0000000000..990e9319db
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-976256.js
@@ -0,0 +1,24 @@
+// 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
+
+function foo(r) {
+  return r.finally();
+}
+
+const resolution = Promise.resolve();
+foo(resolution);
+
+function bar() {
+  try {
+    foo(undefined);
+  } catch (e) {}
+}
+
+%PrepareFunctionForOptimization(bar);
+bar();
+bar();
+%OptimizeFunctionOnNextCall(bar);
+bar();