// { dg-do run  }// Based on a testcase by Eric Dumazet <Eric.Dumazet@COSMOSBAY.COM>extern "C" void abort ();const char * const foo = ""; // foo is not NULLint main() {  if ((foo == 0) ? 0 : foo)  // so this should evaluate to `foo'    return 0;  else    abort();}