[objects] seed NumberDictionary (only ia32 now)

src/profile-generator.h

Index: src/profile-generator.h
diff --git a/src/profile-generator.h b/src/profile-generator.h
index b47ce8255a844dcfed2bd0bed182ba155b5b0cd0..51f288242863012f64c25f185fcee563fbb77deb 100644
--- a/src/profile-generator.h
+++ b/src/profile-generator.h
@@ -750,7 +750,8 @@ class HeapObjectsMap {
 
   static uint32_t AddressHash(Address addr) {
     return ComputeIntegerHash(
-        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(addr)));
+        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(addr)),
+        v8::internal::kZeroHashSeed);
   }
 
   bool initial_fill_mode_;
@@ -851,7 +852,8 @@ class HeapEntriesMap {
 
   static uint32_t Hash(HeapThing thing) {
     return ComputeIntegerHash(
-        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(thing)));
+        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(thing)),
+        v8::internal::kZeroHashSeed);
   }
   static bool HeapThingsMatch(HeapThing key1, HeapThing key2) {
     return key1 == key2;
@@ -1047,7 +1049,8 @@ class NativeObjectsExplorer : public HeapEntriesAllocator {
   void VisitSubtreeWrapper(Object** p, uint16_t class_id);
 
   static uint32_t InfoHash(v8::RetainedObjectInfo* info) {
-    return ComputeIntegerHash(static_cast<uint32_t>(info->GetHash()));
+    return ComputeIntegerHash(static_cast<uint32_t>(info->GetHash()),
+                              v8::internal::kZeroHashSeed);
   }
   static bool RetainedInfosMatch(void* key1, void* key2) {
     return key1 == key2 ||
@@ -1125,7 +1128,8 @@ class HeapSnapshotJSONSerializer {
 
   INLINE(static uint32_t ObjectHash(const void* key)) {
     return ComputeIntegerHash(
-        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(key)));
+        static_cast<uint32_t>(reinterpret_cast<uintptr_t>(key)),
+        v8::internal::kZeroHashSeed);
   }
 
   void EnumerateNodes();