Make isStateVariable regular scope check.

libsolidity/ast/AST.h

@@ -899,7 +899,6 @@ public:
 		ASTPointer<Expression> _value,
 		Visibility _visibility,
 		ASTPointer<StructuredDocumentation> const _documentation = nullptr,
-		bool _isStateVar = false,
 		bool _isIndexed = false,
 		Mutability _mutability = Mutability::Mutable,
 		ASTPointer<OverrideSpecifier> _overrides = nullptr,
@@ -909,7 +908,6 @@ public:
 		StructurallyDocumented(std::move(_documentation)),
 		m_typeName(std::move(_type)),
 		m_value(std::move(_value)),
-		m_isStateVariable(_isStateVar),
 		m_isIndexed(_isIndexed),
 		m_mutability(_mutability),
 		m_overrides(std::move(_overrides)),
@@ -960,7 +958,7 @@ public:
 	/// array, struct or mapping. These types can take a data location (and often require it).
 	/// Can only be called after reference resolution.
 	bool hasReferenceOrMappingType() const;
-	bool isStateVariable() const { return m_isStateVariable; }
+	bool isStateVariable() const;
 	bool isIndexed() const { return m_isIndexed; }
 	Mutability mutability() const { return m_mutability; }
 	bool isConstant() const { return m_mutability == Mutability::Constant; }
@@ -989,7 +987,6 @@ private:
 	/// Initially assigned value, can be missing. For local variables, this is stored inside
 	/// VariableDeclarationStatement and not here.
 	ASTPointer<Expression> m_value;
-	bool m_isStateVariable = false; ///< Whether or not this is a contract state variable
 	bool m_isIndexed = false; ///< Whether this is an indexed variable (used by events).
 	/// Whether the variable is "constant", "immutable" or non-marked (mutable).
 	Mutability m_mutability = Mutability::Mutable;