Remove unused Module-related AST nodes and associated codegen

src/ppc/full-codegen-ppc.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/v8.h"
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 901 matching lines @@
       __ Push(cp, r5, r4);
       // 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(r4, scope_->ContextChainLength(scope_->ScriptScope()));
-  __ LoadP(r4, ContextOperand(r4, descriptor->Index()));
-  __ LoadP(r4, ContextOperand(r4, Context::EXTENSION_INDEX));
-
-  // Assign it.
-  __ StoreP(r4, ContextOperand(cp, variable->index()), r0);
-  // We know that we have written a module, which is not a smi.
-  __ RecordWriteContextSlot(cp, Context::SlotOffset(variable->index()), r4, r6,
-                            kLRHasBeenSaved, kDontSaveFPRegs,
-                            EMIT_REMEMBERED_SET, OMIT_SMI_CHECK);
-  PrepareForBailoutForId(declaration->proxy()->id(), NO_REGISTERS);
-
-  // Traverse into 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 4516 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }
 }  // namespace v8::internal
 #endif  // V8_TARGET_ARCH_PPC