syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"link_arg:"}]}
source_snippet:     link_arg: (/* redirected to link_args */) = ((), parse_string_push, [UNTRACKED],
context_before:         implies `-C symbol-mangling-version=v0`"),
context_after:         "a single extra argument to append to the linker invocation (can be used several times)"),