1 files changed, 14 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-587068.js b/deps/v8/test/mjsunit/regress/regress-crbug-587068.js
new file mode 100644
index 0000000000..4cdd3ffbdb
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-587068.js
@@ -0,0 +1,14 @@
+// Copyright 2016 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
+
+// The Crankshaft fast case for String.fromCharCode used to unconditionally
+// deoptimize on non int32 indices.
+function foo(i) { return String.fromCharCode(i); }
+foo(33);
+foo(33);
+%OptimizeFunctionOnNextCall(foo);
+foo(33.3);
+assertOptimized(foo);