syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // We have to eagerly lower the "spine" of the statements
context_before:     pub(crate) fn mirror_block(&mut self, block: &'tcx hir::Block<'tcx>) -> BlockId {
context_after:         // in order to get the lexical scoping correctly.