Document symbols don't appear for classes and enums with attributes

[sean-mcmanus]

Environment

• OS and Version:
• VS Code Version:
• C/C++ Extension Version:
• Other extensions you installed (and if the issue persists after disabling them):
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• A clear and concise description of what the bug is, including information about the workspace (i.e. is the workspace a single project or multiple projects, size of the project, etc).

Bug Summary and Steps to Reproduce

Use the repro code

Expected behavior

Document symbols should appear. Go to def and find all refs my fail too.

Code sample and Logs

enum [[nodiscard]] ee1 { ee };
enum class [[nodiscard]] ec1 { ec };
struct [[nodiscard]] es1{};
class [[nodiscard]] c1 {};

Screenshots

No response

Additional context

No response

[sean-mcmanus]

Fixed with https://github.com/microsoft/vscode-cpptools/releases/tag/v1.12.1