syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"ExternAbi::Win64"}]}
source_snippet:                 ExternAbi::Win64 { .. } | ExternAbi::Vectorcall { .. } => {
context_before:                 ExternAbi::SysV64 { .. } => x86_64::compute_abi_info(cx, self),
context_after:                     x86_win64::compute_abi_info(cx, self)