{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"op.val.store(bx,"}]}
                    op.val.store(bx, scratch.with_type(arg.layout));
                    bx.lifetime_start(scratch.llval, arg.layout.size);
                    lifetime_ends_after_call.push((scratch.llval, arg.layout.size));