syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"#[note(mir_build_unreachable_pattern_const_reexport_accessible)]"}]}
source_snippet:     #[note(mir_build_unreachable_pattern_const_reexport_accessible)]
context_before:     pub(crate) wanted_constant: Option<WantedConstant>,
context_after:     pub(crate) accessible_constant: Option<Span>,