syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // `resume`). It's not obvious how to handle `yield` points in coroutines, however.
context_before:     // block where control flow could exit the MIR body (e.g., those terminated with `return` or
context_after:     fn initialize_start_block(&self, body: &mir::Body<'tcx>, state: &mut Self::Domain);