{"ast_node_type":"other","tokens":[{"end":108,"kind":"keyword","start":0,"text":"//"}]}
            // LLVM 21 updated the default layout on nvptx: https://github.com/llvm/llvm-project/pull/124961
        if sess.target.arch == "nvptx64" {
            target_data_layout = target_data_layout.replace("e-p6:32:32-i64", "e-i64");