convert BitVector to use pointer size blocks

test/cctest/test-bit-vector.cc

Index: test/cctest/test-bit-vector.cc
diff --git a/test/cctest/test-dataflow.cc b/test/cctest/test-bit-vector.cc
similarity index 98%
rename from test/cctest/test-dataflow.cc
rename to test/cctest/test-bit-vector.cc
index 43d950d86069af33f15dea8409c7529352c2c0ea..ac00fabb926226401b36fdc62e1b4e872afa5dad 100644
--- a/test/cctest/test-dataflow.cc
+++ b/test/cctest/test-bit-vector.cc
@@ -29,7 +29,7 @@
 
 #include "src/v8.h"
 
-#include "src/data-flow.h"
+#include "src/bit-vector.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
@@ -83,7 +83,7 @@ TEST(BitVector) {
     BitVector v(15, &zone);
     v.Add(0);
     BitVector w(15, &zone);
-    w = v;
+    w.CopyFrom(v);
     CHECK(w.Contains(0));
     w.Add(1);
     BitVector u(w, &zone);