{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
                        // alignment that fits in a `u8` if the actual alignment is larger.
                        // `emit_small_memory_copy` uses `u8` for alignments, just use the maximum
                        let src_align = src_layout.align.abi.bytes().try_into().unwrap_or(128);