Don't use strcmp to test heap object pointer equality.

test/cctest/test-serialize.cc

Index: test/cctest/test-serialize.cc
===================================================================
--- test/cctest/test-serialize.cc	(revision 4014)
+++ test/cctest/test-serialize.cc	(working copy)
@@ -481,8 +481,8 @@
          i += kSmallFixedArraySize) {
       Object* obj = Heap::AllocateFixedArray(kSmallFixedArrayLength);
       if (new_last != NULL) {
-        CHECK_EQ(reinterpret_cast<char*>(obj),
-                 reinterpret_cast<char*>(new_last) + kSmallFixedArraySize);
+        CHECK(reinterpret_cast<char*>(obj) ==
+              reinterpret_cast<char*>(new_last) + kSmallFixedArraySize);
       }
       new_last = obj;
     }
@@ -500,8 +500,8 @@
         pointer_last = NULL;
       }
       if (pointer_last != NULL) {
-        CHECK_EQ(reinterpret_cast<char*>(obj),
-                 reinterpret_cast<char*>(pointer_last) + kSmallFixedArraySize);
+        CHECK(reinterpret_cast<char*>(obj) ==
+              reinterpret_cast<char*>(pointer_last) + kSmallFixedArraySize);
       }
       pointer_last = obj;
     }
@@ -517,8 +517,8 @@
         data_last = NULL;
       }
       if (data_last != NULL) {
-        CHECK_EQ(reinterpret_cast<char*>(obj),
-                 reinterpret_cast<char*>(data_last) + kSmallStringSize);
+        CHECK(reinterpret_cast<char*>(obj) ==
+              reinterpret_cast<char*>(data_last) + kSmallStringSize);
       }
       data_last = obj;
     }
@@ -534,8 +534,8 @@
         map_last = NULL;
       }
       if (map_last != NULL) {
-        CHECK_EQ(reinterpret_cast<char*>(obj),
-                 reinterpret_cast<char*>(map_last) + kMapSize);
+        CHECK(reinterpret_cast<char*>(obj) ==
+              reinterpret_cast<char*>(map_last) + kMapSize);
       }
       map_last = obj;
     }