Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/mjsunit/regress/regress-bce-underflow.js b/test/mjsunit/regress/regress-bce-underflow.js
new file mode 100644
index 0000000..daa7760
--- /dev/null
+++ b/test/mjsunit/regress/regress-bce-underflow.js
@@ -0,0 +1,35 @@
+// Copyright 2015 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 f(a, i, bool) {
+ var result;
+ if (bool) {
+ // Make sure i - -0x80000000 doesn't overflow in BCE, missing a check for
+ // x-0 later on.
+ result = f2(a, 0x7fffffff, i, i, -0x80000000);
+ } else {
+ result = f2(a, -3, 4, i, 0);
+ }
+ return result;
+}
+
+function f2(a, c, x, i, d) {
+ return a[x + c] + a[x - 0] + a[i - d];
+}
+
+
+var a = [];
+var i = 0;
+a.push(i++);
+a.push(i++);
+a.push(i++);
+a.push(i++);
+a.push(i++);
+f(a, 0, false);
+f(a, 0, false);
+f(a, 0, false);
+%OptimizeFunctionOnNextCall(f);
+%DebugPrint(f(a, -0x7fffffff, true));