Strip Interface class of most of its logic, make it all about Module exports

src/compiler/ast-graph-builder.cc

 // Copyright 2014 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/compiler/ast-graph-builder.h"
 
 #include "src/compiler.h"
 #include "src/compiler/ast-loop-assignment-analyzer.h"
 #include "src/compiler/control-builders.h"
 #include "src/compiler/linkage.h"
@@ skipping 822 matching lines @@
 
 
 void AstGraphBuilder::VisitExportDeclaration(ExportDeclaration* decl) {
   UNREACHABLE();
 }
 
 
 void AstGraphBuilder::VisitModuleLiteral(ModuleLiteral* modl) { UNREACHABLE(); }
 
 
-void AstGraphBuilder::VisitModuleVariable(ModuleVariable* modl) {
-  UNREACHABLE();
-}
-
-
 void AstGraphBuilder::VisitModulePath(ModulePath* modl) { UNREACHABLE(); }
 
 
 void AstGraphBuilder::VisitModuleUrl(ModuleUrl* modl) { UNREACHABLE(); }
 
 
 void AstGraphBuilder::VisitBlock(Block* stmt) {
   BlockBuilder block(this);
   ControlScopeForBreakable scope(this, stmt, &block);
   if (stmt->labels() != NULL) block.BeginBlock();
@@ skipping 2273 matching lines @@
     Node* dead_node = graph()->NewNode(common()->Dead());
     dead_control_.set(dead_node);
     return dead_node;
   }
   return dead_control_.get();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8