Remove unused Module-related AST nodes and associated codegen

src/mips64/full-codegen-mips64.cc

Index: src/mips64/full-codegen-mips64.cc
diff --git a/src/mips64/full-codegen-mips64.cc b/src/mips64/full-codegen-mips64.cc
index 6d2e4cec93d13ab1615028b739acf6e9c43c96f0..b3ed1bb9d83c5e759600275147152f5b8856092c 100644
--- a/src/mips64/full-codegen-mips64.cc
+++ b/src/mips64/full-codegen-mips64.cc
@@ -951,37 +951,6 @@ void FullCodeGenerator::VisitFunctionDeclaration(
 }
 
 
-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(a1, scope_->ContextChainLength(scope_->ScriptScope()));
-  __ ld(a1, ContextOperand(a1, descriptor->Index()));
-  __ ld(a1, ContextOperand(a1, Context::EXTENSION_INDEX));
-
-  // Assign it.
-  __ sd(a1, ContextOperand(cp, variable->index()));
-  // We know that we have written a module, which is not a smi.
-  __ RecordWriteContextSlot(cp,
-                            Context::SlotOffset(variable->index()),
-                            a1,
-                            a3,
-                            kRAHasBeenSaved,
-                            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();