Upgrade to 3.29

Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.

Bug: 17370214

Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/test/mjsunit/regress/regress-347904.js b/test/mjsunit/regress/regress-347904.js
new file mode 100644
index 0000000..1a27b05
--- /dev/null
+++ b/test/mjsunit/regress/regress-347904.js
@@ -0,0 +1,12 @@
+// Copyright 2014 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 --stress-runs=2
+
+var v = /abc/;
+function f() {
+  v = 1578221999;
+};
+%OptimizeFunctionOnNextCall(f);
+f();