Reland Store OSR'd optimized code on the native context.

src/isolate.cc

 // Copyright 2012 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/isolate.h"
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
@@ skipping 2803 matching lines @@
     Context* current_context = Context::cast(context);
     if (current_context->initial_object_prototype() == object ||
         current_context->initial_array_prototype() == object) {
       return true;
     }
     context = current_context->next_context_link();
   }
   return false;
 }
 
+void Isolate::ClearOSROptimizedCode() {
+  DisallowHeapAllocation no_gc;
+  Object* context = heap()->native_contexts_list();
+  while (!context->IsUndefined(this)) {
+    Context* current_context = Context::cast(context);
+    current_context->ClearOptimizedCodeMap();
+    context = current_context->next_context_link();
+  }
+}
+
+void Isolate::EvictOSROptimizedCode(Code* code, const char* reason) {
+  DisallowHeapAllocation no_gc;
+  Object* context = heap()->native_contexts_list();
+  while (!context->IsUndefined(this)) {
+    Context* current_context = Context::cast(context);
+    current_context->EvictFromOptimizedCodeMap(code, reason);
+    context = current_context->next_context_link();
+  }
+}
+
 bool Isolate::IsInAnyContext(Object* object, uint32_t index) {
   DisallowHeapAllocation no_gc;
   Object* context = heap()->native_contexts_list();
   while (!context->IsUndefined(this)) {
     Context* current_context = Context::cast(context);
     if (current_context->get(index) == object) {
       return true;
     }
     context = current_context->next_context_link();
   }
@@ skipping 682 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8