[Parser] Track ContainsDot for SMI values.

test/mjsunit/regress/regress-638134.js

Index: test/mjsunit/regress/regress-638134.js
diff --git a/test/mjsunit/regress/regress-638134.js b/test/mjsunit/regress/regress-638134.js
new file mode 100644
index 0000000000000000000000000000000000000000..5391eed1488ff5f5469a20dcb18ba713b66944c8
--- /dev/null
+++ b/test/mjsunit/regress/regress-638134.js
@@ -0,0 +1,20 @@
+// 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.
+
+function foo() {
+  // Generates a forward branch that puts 200 in the constant pool.
+  var i = 0;
+  if (i) {
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+    i = 0; i = 0; i = 0; i = 0; i = 0; i = 0;
+  }
+  // Emit a 200 literal which also ends up in the constant pool.
+  var j = 0.2e3;
+}
+foo();