{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"if"}]}
        if llvm::LLVMRustHasMetadata(last_inst, md_ty) {
        let md_ty = cx.get_md_kind_id("dbg");
            let md = llvm::LLVMRustDIGetInstMetadata(last_inst)