syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"make_thin_self_ptr(cx,"}]}
source_snippet:             make_thin_self_ptr(cx, layout)
context_before:             // or `&/&mut dyn Trait` because this is special-cased elsewhere in codegen
context_after:         } else {