https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver_impl/session_diagnostics/struct.IceBugReportInternalFeature.html
IceBugReportInternalFeature in rustc_driver_impl::session_diagnostics - Rust
API documentation for the Rust `IceBugReportInternalFeature` struct in crate `rustc_driver_impl`.
rustcdriverimplsessiondiagnostics