modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20071108-1.c (about)

     1  /* PR tree-optimization/33680 */
     2  /* { dg-require-effective-target alloca } */
     3  
     4  int
     5  f (int dim, int *b, int *c)
     6  {
     7    int newcentroid[3][dim];
     8    int *a = newcentroid[2];
     9    int i, dist = 0;
    10    __builtin_memcpy (newcentroid, c, sizeof (newcentroid));
    11    for (i = 0; i < dim; i++)
    12      dist += (a[i] - b[i]) * (a[i] - b[i]);
    13    return dist;
    14  }