1 files changed, 25 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-930948.js b/deps/v8/test/mjsunit/regress/regress-crbug-930948.js
new file mode 100644
index 0000000000..06dcf40646
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-930948.js
@@ -0,0 +1,25 @@
+// 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: --verify-heap --allow-natives-syntax
+
+// This checks that TransitionAndStoreNumberElement silences NaNs.
+function foo() {
+  return [undefined].map(Math.asin);
+}
+foo();
+foo();
+%OptimizeFunctionOnNextCall(foo);
+foo();
+
+// This checks that TransitionAndStoreElement silences NaNs.
+function bar(b) {
+  return [undefined].map(x => b ? Math.asin(x) : "string");
+}
+bar(true);
+bar(false);
+bar(true);
+bar(false);
+%OptimizeFunctionOnNextCall(bar);
+bar(true);