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      1 // Test for a fuzzer: must find the case where a particular basic block is
      2 // executed many times.
      3 #include <iostream>
      4 
      5 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
      6   int Num = 0;
      7   for (size_t i = 0; i < Size; i++)
      8     if (Data[i] == 'A' + i)
      9       Num++;
     10   if (Num >= 4) {
     11     std::cerr <<  "BINGO!\n";
     12     exit(1);
     13   }
     14   return 0;
     15 }
     16