syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"self.cfg.goto(false_block,"}]}
source_snippet:         self.cfg.goto(false_block, source_info, join_block);
context_before:         self.cfg.goto(true_block, source_info, join_block);
context_after:         // Any subsequent codegen in the caller should use the new join block.