[runtime] Avoid @@isConcatSpreadable lookup for fast path Array.prototype.concat

src/deoptimizer.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/deoptimizer.h"
 
 #include "src/accessors.h"
 #include "src/ast/prettyprinter.h"
 #include "src/codegen.h"
 #include "src/disasm.h"
@@ skipping 210 matching lines @@
 
 void Deoptimizer::VisitAllOptimizedFunctions(
     Isolate* isolate,
     OptimizedFunctionVisitor* visitor) {
   DisallowHeapAllocation no_allocation;
 
   // Run through the list of all native contexts.
   Object* context = isolate->heap()->native_contexts_list();
   while (!context->IsUndefined()) {
     VisitAllOptimizedFunctionsForContext(Context::cast(context), visitor);
-    context = Context::cast(context)->get(Context::NEXT_CONTEXT_LINK);
+    context = Context::cast(context)->next_context_link();
   }
 }
 
 
 // Unlink functions referring to code marked for deoptimization, then move
 // marked code from the optimized code list to the deoptimized code list,
 // and patch code for lazy deopt.
 void Deoptimizer::DeoptimizeMarkedCodeForContext(Context* context) {
   DisallowHeapAllocation no_allocation;
 
@@ skipping 136 matching lines @@
     CodeTracer::Scope scope(isolate->GetCodeTracer());
     PrintF(scope.file(), "[deoptimize all code in all contexts]\n");
   }
   DisallowHeapAllocation no_allocation;
   // For all contexts, mark all code, then deoptimize.
   Object* context = isolate->heap()->native_contexts_list();
   while (!context->IsUndefined()) {
     Context* native_context = Context::cast(context);
     MarkAllCodeForContext(native_context);
     DeoptimizeMarkedCodeForContext(native_context);
-    context = native_context->get(Context::NEXT_CONTEXT_LINK);
+    context = native_context->next_context_link();
   }
 }
 
 
 void Deoptimizer::DeoptimizeMarkedCode(Isolate* isolate) {
   TimerEventScope<TimerEventDeoptimizeCode> timer(isolate);
   TRACE_EVENT0("v8", "V8.DeoptimizeCode");
   if (FLAG_trace_deopt) {
     CodeTracer::Scope scope(isolate->GetCodeTracer());
     PrintF(scope.file(), "[deoptimize marked code in all contexts]\n");
   }
   DisallowHeapAllocation no_allocation;
   // For all contexts, deoptimize code already marked.
   Object* context = isolate->heap()->native_contexts_list();
   while (!context->IsUndefined()) {
     Context* native_context = Context::cast(context);
     DeoptimizeMarkedCodeForContext(native_context);
-    context = native_context->get(Context::NEXT_CONTEXT_LINK);
+    context = native_context->next_context_link();
   }
 }
 
 
 void Deoptimizer::MarkAllCodeForContext(Context* context) {
   Object* element = context->OptimizedCodeListHead();
   while (!element->IsUndefined()) {
     Code* code = Code::cast(element);
     CHECK_EQ(code->kind(), Code::OPTIMIZED_FUNCTION);
     code->set_marked_for_deoptimization(true);
@@ skipping 236 matching lines @@
   Object* context = isolate->heap()->native_contexts_list();
   while (!context->IsUndefined()) {
     Context* native_context = Context::cast(context);
     Object* element = native_context->DeoptimizedCodeListHead();
     while (!element->IsUndefined()) {
       Code* code = Code::cast(element);
       DCHECK(code->kind() == Code::OPTIMIZED_FUNCTION);
       length++;
       element = code->next_code_link();
     }
-    context = Context::cast(context)->get(Context::NEXT_CONTEXT_LINK);
+    context = Context::cast(context)->next_context_link();
   }
   return length;
 }
 
 namespace {
 
 int LookupCatchHandler(TranslatedFrame* translated_frame, int* data_out) {
   switch (translated_frame->kind()) {
     case TranslatedFrame::kFunction: {
       BailoutId node_id = translated_frame->node_id();
@@ skipping 3137 matching lines @@
       CHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8