Print missing builtin names when using a snapshot.

BUG=

Review-Url: https://codereview.chromium.org/2970443003
Cr-Commit-Position: refs/heads/master@{#46515}

src/objects.cc

@@ -14574,13 +14574,15 @@ void Code::Disassemble(const char* name, std::ostream& os) {  // NOLINT
   }
   if ((name != nullptr) && (name[0] != '\0')) {
     os << "name = " << name << "\n";
-  } else if (kind() == BUILTIN) {
-    name = GetIsolate()->builtins()->Lookup(instruction_start());
+  } else if (kind() == BYTECODE_HANDLER) {
+    name = GetIsolate()->interpreter()->LookupNameOfBytecodeHandler(this);
     if (name != nullptr) {
       os << "name = " << name << "\n";
     }
-  } else if (kind() == BYTECODE_HANDLER) {
-    name = GetIsolate()->interpreter()->LookupNameOfBytecodeHandler(this);
+  } else {
+    // There are some handlers and ICs that we can also find names for with
+    // Builtins::Lookup.
+    name = GetIsolate()->builtins()->Lookup(instruction_start());
     if (name != nullptr) {
       os << "name = " << name << "\n";
     }

src/snapshot/deserializer.cc

@@ -116,15 +116,17 @@ void Deserializer::Deserialize(Isolate* isolate) {
         isolate_->heap()->undefined_value());
   }
 
-  // If needed, print the dissassembly of deserialized code objects.
-  PrintDisassembledCodeObjects();
-
   // Issue code events for newly deserialized code objects.
   LOG_CODE_EVENT(isolate_, LogCodeObjects());
   LOG_CODE_EVENT(isolate_, LogBytecodeHandlers());
   LOG_CODE_EVENT(isolate_, LogCompiledFunctions());
 
   isolate_->builtins()->MarkInitialized();
+
+  // If needed, print the dissassembly of deserialized code objects.
+  // Needs to be called after the builtins are marked as initialized, in order
+  // to display the builtin names.
+  PrintDisassembledCodeObjects();
 }
 
 MaybeHandle<Object> Deserializer::DeserializePartial(