syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"self.basic_blocks.push(BasicBlockData::new(None,"}]}
source_snippet:         self.basic_blocks.push(BasicBlockData::new(None, false))
context_before:     pub(crate) fn start_new_block(&mut self) -> BasicBlock {
context_after:     }