Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE
This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.
FPIIM-449
Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/test/mjsunit/regress/regress-4788-1.js b/test/mjsunit/regress/regress-4788-1.js
new file mode 100644
index 0000000..347ab5e
--- /dev/null
+++ b/test/mjsunit/regress/regress-4788-1.js
@@ -0,0 +1,25 @@
+// 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
+
+var f = (function() {
+ "use asm";
+ function foo(x) {
+ return x == 0;
+ }
+ return foo;
+})();
+
+function deopt(f) {
+ return {
+ toString : function() {
+ %DeoptimizeFunction(f);
+ return "2";
+ }
+ };
+}
+
+%OptimizeFunctionOnNextCall(f);
+assertFalse(f(deopt(f)));