syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"(ExternAbi::Cdecl"}]}
source_snippet:             (ExternAbi::Cdecl { .. }, Arch::X86) => CanonAbi::C,
context_before:             /* x86 */
context_after:             (ExternAbi::Cdecl { .. }, _) => return AbiMapping::Deprecated(CanonAbi::C),