syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // Ignore unreachable blocks.
context_before:     fn apply_state(&mut self, state: &DenseBitSet<Local>, loc: Location) {
context_after:         if let TerminatorKind::Unreachable = self.body.basic_blocks[loc.block].terminator().kind {