; RUN: rm -rf %t
; RUN: split-file %s %t 
; RUN: not llvm-readtapi --remove -arch arm64 %t/libslim.tbd 2>&1 | FileCheck %s

CHECK: {{.*}}libslim.tbd' cannot remove last architecture slice 'arm64'

//--- libslim.tbd
{
  "libraries": [
    {
      "exported_symbols": [
        {
          "data": {
            "global": [
              "_sym1"
            ]
          }
        }
      ],
      "install_names": [
        {
          "name": "/usr/lib/internal/libfat.dylib"
        }
      ],
      "parent_umbrellas": [
        {
          "umbrella": "fat"
        }
      ],
      "target_info": [
        {
          "target": "arm64-macos"
        }
      ]
    }
  ],
  "main_library": {
    "install_names": [
      {
        "name": "/usr/lib/libfat.dylib"
      }
    ],
    "reexported_libraries": [
      {
        "names": [
          "/usr/lib/internal/libfat.dylib"
        ]
      }
    ],
    "target_info": [
      {
        "target": "arm64-macos"
      }
    ]
  },
  "tapi_tbd_version": 5
}