Remove unused Module-related AST nodes and associated codegen

src/arm64/full-codegen-arm64.cc

 // Copyright 2013 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"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 940 matching lines @@
       __ Push(cp, x2, x1);
       // Push initial value for function declaration.
       VisitForStackValue(declaration->fun());
       __ CallRuntime(Runtime::kDeclareLookupSlot, 4);
       break;
     }
   }
 }
 
 
-void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) {
-  Variable* variable = declaration->proxy()->var();
-  ModuleDescriptor* descriptor = declaration->module()->descriptor();
-  DCHECK(variable->location() == Variable::CONTEXT);
-  DCHECK(descriptor->IsFrozen());
-
-  Comment cmnt(masm_, "[ ModuleDeclaration");
-  EmitDebugCheckDeclarationContext(variable);
-
-  // Load instance object.
-  __ LoadContext(x1, scope_->ContextChainLength(scope_->ScriptScope()));
-  __ Ldr(x1, ContextMemOperand(x1, descriptor->Index()));
-  __ Ldr(x1, ContextMemOperand(x1, Context::EXTENSION_INDEX));
-
-  // Assign it.
-  __ Str(x1, ContextMemOperand(cp, variable->index()));
-  // We know that we have written a module, which is not a smi.
-  __ RecordWriteContextSlot(cp,
-                            Context::SlotOffset(variable->index()),
-                            x1,
-                            x3,
-                            kLRHasBeenSaved,
-                            kDontSaveFPRegs,
-                            EMIT_REMEMBERED_SET,
-                            OMIT_SMI_CHECK);
-  PrepareForBailoutForId(declaration->proxy()->id(), NO_REGISTERS);
-
-  // Traverse info body.
-  Visit(declaration->module());
-}
-
-
 void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) {
   VariableProxy* proxy = declaration->proxy();
   Variable* variable = proxy->var();
   switch (variable->location()) {
     case Variable::UNALLOCATED:
       // TODO(rossberg)
       break;
 
     case Variable::CONTEXT: {
       Comment cmnt(masm_, "[ ImportDeclaration");
@@ skipping 4506 matching lines @@
     }
   }
 
   return INTERRUPT;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64