syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:             for drop_data in scope.drops.iter().rev() {
context_before:             // FIXME(explicit_tail_calls) code duplication with `build_scope_drops`
context_after:                 let source_info = drop_data.source_info;