Add all path declarations in IdentifierPath annotation

libsolidity/ast/ASTAnnotations.h

@@ -256,6 +256,9 @@ struct IdentifierPathAnnotation: ASTAnnotation
 	Declaration const* referencedDeclaration = nullptr;
 	/// What kind of lookup needs to be done (static, virtual, super) find the declaration.
 	util::SetOnce<VirtualLookup> requiredLookup;
+
+	/// Declaration of each path element.
+	std::vector<Declaration const*> pathDeclarations;
 };
 
 struct ExpressionAnnotation: ASTAnnotation