Store whether a with scope is actually a debug-eval scope in the scope info

src/objects.h

 // Copyright 2015 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 4376 matching lines @@
   // Lookup support for serialized scope info.  Returns the receiver context
   // slot index if scope has a "this" binding, and the binding is
   // context-allocated.  Otherwise returns a value < 0.
   int ReceiverContextSlotIndex();
 
   FunctionKind function_kind();
 
   // Returns true if this ScopeInfo is linked to a outer ScopeInfo.
   bool HasOuterScopeInfo();
 
+  // Returns true if this ScopeInfo was created for a debug-evaluate scope.
+  bool IsDebugEvaluateScope();
+
+  // Can be used to mark a ScopeInfo that looks like a with-scope as actually
+  // being a debug-evaluate scope.
+  void SetIsDebugEvaluateScope();
+
   // Return the outer ScopeInfo if present.
   ScopeInfo* OuterScopeInfo();
 
 #ifdef DEBUG
   bool Equals(ScopeInfo* other) const;
 #endif
 
   static Handle<ScopeInfo> Create(Isolate* isolate, Zone* zone, Scope* scope,
                                   MaybeHandle<ScopeInfo> outer_scope);
   static Handle<ScopeInfo> CreateForWithScope(
@@ skipping 111 matching lines @@
       : public BitField<VariableAllocationInfo, HasNewTargetField::kNext, 2> {};
   class AsmModuleField
       : public BitField<bool, FunctionVariableField::kNext, 1> {};
   class AsmFunctionField : public BitField<bool, AsmModuleField::kNext, 1> {};
   class HasSimpleParametersField
       : public BitField<bool, AsmFunctionField::kNext, 1> {};
   class FunctionKindField
       : public BitField<FunctionKind, HasSimpleParametersField::kNext, 9> {};
   class HasOuterScopeInfoField
       : public BitField<bool, FunctionKindField::kNext, 1> {};
+  class IsDebugEvaluateScopeField
+      : public BitField<bool, HasOuterScopeInfoField::kNext, 1> {};
 
   // Properties of variables.
   class VariableModeField : public BitField<VariableMode, 0, 3> {};
   class InitFlagField : public BitField<InitializationFlag, 3, 1> {};
   class MaybeAssignedFlagField : public BitField<MaybeAssignedFlag, 4, 1> {};
 
   friend class ScopeIterator;
 };
 
 class ModuleInfoEntry : public FixedArray {
@@ skipping 6735 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_