Don't do any special normalization if a boilerplate contains function literals.

src/full-codegen/full-codegen.cc

 // Copyright 2012 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/full-codegen/full-codegen.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/ast-numbering.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopeinfo.h"
@@ skipping 1490 matching lines @@
     __ Move(LoadDescriptor::ReceiverRegister(), result_register());
     __ LoadRoot(LoadDescriptor::NameRegister(),
                 Heap::kprototype_stringRootIndex);
     __ Move(LoadDescriptor::SlotRegister(), SmiFromSlot(lit->PrototypeSlot()));
     CallLoadIC(NOT_INSIDE_TYPEOF);
     PrepareForBailoutForId(lit->PrototypeId(), TOS_REG);
     PushOperand(result_register());
 
     EmitClassDefineProperties(lit);
 
-    // Set both the prototype and constructor to have fast properties, and also
-    // freeze them in strong mode.
+    // Set constructor to have fast properties.
     CallRuntimeWithOperands(Runtime::kFinalizeClassDefinition);
 
     if (lit->class_variable_proxy() != nullptr) {
       EmitVariableAssignment(lit->class_variable_proxy()->var(), Token::INIT,
                              lit->ProxySlot());
     }
   }
 
   context()->Plug(result_register());
 }
@@ skipping 384 matching lines @@
   return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8