polygon clipping issue 36 reproduces original error

gistfile1.txt

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [1.2453604, 51.8796],
            [1.24525, 51.8798],
            [1.245704, 51.8797],
            [1.2462833, 51.87991],
            [1.2453604, 51.8796]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [1.245704, 51.8797],
            [1.24536, 51.8796],
            [1.24525, 51.8798],
            [1.245704, 51.8797]
          ]
        ]
      }
    }
  ]
}