syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"super::InlineAsmRegClass,"}]}
source_snippet:                 super::InlineAsmRegClass,
context_before:             _map: &mut rustc_data_structures::fx::FxHashMap<
context_after:                 rustc_data_structures::fx::FxIndexSet<super::InlineAsmReg>,