{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"if"}]}
            if Some(local) == fx.mir.spread_arg {
            // Adapted from https://github.com/rust-lang/rust/blob/145155dc96757002c7b2e9de8489416e2fdbbd57/src/librustc_codegen_llvm/mir/mod.rs#L442-L482
                // This argument (e.g. the last argument in the "rust-call" ABI)