old_contents: {
    "targets": [
      {
        "target_name": "levenshtein_sse",
        "sources": [
          "src/node-levenshtein-sse.cpp"
        ],
        "include_dirs": ["<!(node -e \"require('nan')\")"],
        "cflags": ['-march=native']
      }
    ]
  }
  
new_contents: {
    "targets": [
      {
        "target_name": "levenshtein_sse",
        "sources": [
          "src/node-levenshtein-sse.cpp"
        ],
        "include_dirs": ["<!(node -e \"require('nan')\")"],
        "cflags": ['-march=native -DNDEBUG']
      }
    ]
  }
  
subject: Disable assertions in binding file