Merge V8 at branches/3.2 r8200: Initial merge by Git

Change-Id: I5c434306e98132997e9c5f6024b6ce200b255edf
diff --git a/src/assembler.cc b/src/assembler.cc
index ca30e19..bfecc77 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -74,6 +74,18 @@
 const char* RelocInfo::kFillerCommentString = "DEOPTIMIZATION PADDING";
 
 // -----------------------------------------------------------------------------
+// Implementation of AssemblerBase
+
+AssemblerBase::AssemblerBase(Isolate* isolate)
+    : isolate_(isolate),
+      jit_cookie_(0) {
+  if (FLAG_mask_constants_with_cookie && isolate != NULL)  {
+    jit_cookie_ = V8::RandomPrivate(isolate);
+  }
+}
+
+
+// -----------------------------------------------------------------------------
 // Implementation of Label
 
 int Label::pos() const {