Use a different map to distinguish eval contexts

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 769 matching lines @@
   return true;
 }
 
 bool HeapObject::IsContext() const {
   Map* map = this->map();
   Heap* heap = GetHeap();
   return (
       map == heap->function_context_map() || map == heap->catch_context_map() ||
       map == heap->with_context_map() || map == heap->native_context_map() ||
       map == heap->block_context_map() || map == heap->module_context_map() ||
-      map == heap->script_context_map() ||
+      map == heap->eval_context_map() || map == heap->script_context_map() ||
       map == heap->debug_evaluate_context_map());
 }
 
 bool HeapObject::IsNativeContext() const {
   return map() == GetHeap()->native_context_map();
 }
 
 bool HeapObject::IsScriptContextTable() const {
   return map() == GetHeap()->script_context_table_map();
 }
@@ skipping 7620 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_