syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:         /// Use the lld linker, either the system lld or the self-contained linker `rust-lld`.
context_before:         const CC  = 1 << 0;
context_after:         const LLD = 1 << 1;