Print missing builtin names when using a snapshot.

src/objects.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <memory>
 #include <sstream>
@@ skipping 14256 matching lines @@
       DCHECK(CodeStub::GetMajorKey(this) == CodeStub::CompareIC);
       CompareICStub stub(stub_key(), GetIsolate());
       os << "compare_state = " << CompareICState::GetStateName(stub.left())
          << "*" << CompareICState::GetStateName(stub.right()) << " -> "
          << CompareICState::GetStateName(stub.state()) << "\n";
       os << "compare_operation = " << Token::Name(stub.op()) << "\n";
     }
   }
   if ((name != nullptr) && (name[0] != '\0')) {
     os << "name = " << name << "\n";
-  } else if (kind() == BUILTIN) {
-    name = GetIsolate()->builtins()->Lookup(instruction_start());
-    if (name != nullptr) {
-      os << "name = " << name << "\n";
-    }
   } else if (kind() == BYTECODE_HANDLER) {
     name = GetIsolate()->interpreter()->LookupNameOfBytecodeHandler(this);
     if (name != nullptr) {
       os << "name = " << name << "\n";
     }
+  } 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";
+    }
   }
   if (kind() == OPTIMIZED_FUNCTION) {
     os << "stack_slots = " << stack_slots() << "\n";
   }
   os << "compiler = " << (is_turbofanned()
                               ? "turbofan"
                               : is_crankshafted() ? "crankshaft"
                                                   : kind() == Code::FUNCTION
                                                         ? "full-codegen"
                                                         : "unknown") << "\n";
@@ skipping 5869 matching lines @@
       // not
       // depend on this.
       return DICTIONARY_ELEMENTS;
     }
     DCHECK_LE(kind, LAST_ELEMENTS_KIND);
     return kind;
   }
 }
 }  // namespace internal
 }  // namespace v8