Refactor class declaration logic to the parser and runtime

src/asmjs/asm-wasm-builder.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/v8.h"
 
 // Required to get M_E etc. in MSVC.
 #if defined(_WIN32)
 #define _USE_MATH_DEFINES
 #endif
@@ skipping 1634 matching lines @@
 
   void VisitThisFunction(ThisFunction* expr) override { UNREACHABLE(); }
 
   void VisitDeclarations(ZoneList<Declaration*>* decls) override {
     for (int i = 0; i < decls->length(); ++i) {
       Declaration* decl = decls->at(i);
       RECURSE(Visit(decl));
     }
   }
 
-  void VisitClassLiteral(ClassLiteral* expr) override { UNREACHABLE(); }
-
   void VisitSpread(Spread* expr) override { UNREACHABLE(); }
 
   void VisitSuperPropertyReference(SuperPropertyReference* expr) override {
     UNREACHABLE();
   }
 
   void VisitSuperCallReference(SuperCallReference* expr) override {
     UNREACHABLE();
   }
 
@@ skipping 125 matching lines @@
   AsmWasmBuilderImpl impl(isolate_, zone_, literal_, typer_);
   impl.Build();
   *foreign_args = impl.GetForeignArgs();
   ZoneBuffer* buffer = new (zone_) ZoneBuffer(zone_);
   impl.builder_->WriteTo(*buffer);
   return buffer;
 }
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8