1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-1071190.js b/deps/v8/test/mjsunit/regress/regress-1071190.js
new file mode 100644
index 00000000000..7a888442e69
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-1071190.js
@@ -0,0 +1,23 @@
+// Copyright 2020 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 test() {
+  const a = new DataView(new ArrayBuffer(32));
+  const b = new DataView(new ArrayBuffer(32));
+  a.setFloat64(0);
+  b.setFloat64(0, undefined);
+
+  for(let i = 0; i < 8; ++i) {
+    assertEquals(a.getUint8(i), b.getUint8(i));
+  }
+}
+
+%PrepareFunctionForOptimization(test);
+test();
+test();
+%OptimizeFunctionOnNextCall(test);
+test();