syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // situations, see the `run-make/a-b-a-linker-guard` test.
context_before:             // This is not *strictly* needed, but it may help in some
context_after:             if let ty::FnDef(..) = item_type.kind() {