Various clean-ups after top-level lexical declarations are done.

src/arm64/full-codegen-arm64.cc

Index: src/arm64/full-codegen-arm64.cc
diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc
index 426287540e4e2b523b9ed40c9030504f5ee79cf3..be3417f34f06aaafb0f2c98dd61cb0d183923f2e 100644
--- a/src/arm64/full-codegen-arm64.cc
+++ b/src/arm64/full-codegen-arm64.cc
@@ -196,10 +196,10 @@ void FullCodeGenerator::Generate() {
     // Argument to NewContext is the function, which is still in x1.
     Comment cmnt(masm_, "[ Allocate context");
     bool need_write_barrier = true;
-    if (FLAG_harmony_scoping && info->scope()->is_global_scope()) {
+    if (FLAG_harmony_scoping && info->scope()->is_script_scope()) {
       __ Mov(x10, Operand(info->scope()->GetScopeInfo()));
       __ Push(x1, x10);
-      __ CallRuntime(Runtime::kNewGlobalContext, 2);
+      __ CallRuntime(Runtime::kNewScriptContext, 2);
     } else if (heap_slots <= FastNewContextStub::kMaximumSlots) {
       FastNewContextStub stub(isolate(), heap_slots);
       __ CallStub(&stub);
@@ -934,7 +934,7 @@ void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) {
   EmitDebugCheckDeclarationContext(variable);
 
   // Load instance object.
-  __ LoadContext(x1, scope_->ContextChainLength(scope_->GlobalScope()));
+  __ LoadContext(x1, scope_->ContextChainLength(scope_->ScriptScope()));
   __ Ldr(x1, ContextMemOperand(x1, variable->interface()->Index()));
   __ Ldr(x1, ContextMemOperand(x1, Context::EXTENSION_INDEX));
 
@@ -5111,7 +5111,7 @@ void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
 
 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
   Scope* declaration_scope = scope()->DeclarationScope();
-  if (declaration_scope->is_global_scope() ||
+  if (declaration_scope->is_script_scope() ||
       declaration_scope->is_module_scope()) {
     // Contexts nested in the native context have a canonical empty function
     // as their closure, not the anonymous closure containing the global