syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// block within the drop tree.
context_before:     /// During [`Self::build_mir`], `from` will be linked to the corresponding
context_after:     fn add_entry_point(&mut self, from: BasicBlock, to: DropIdx) {