syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // We have to replace the `ResumeTy` that is used for type and borrow checking
context_before:     let local_ty = std::mem::replace(&mut body.local_decls[local].ty, context_mut_ref);
context_after:     // with `&mut Context<'_>` in MIR.