gcc/testsuite/gcc.dg/pr18792.c

   1 /* PR tree-optimization/18792 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -ftree-loop-linear" } */
   4 void put_atoms_in_triclinic_unitcell(float x[][3])
   5 {
   6         int i=0,d;
   7
   8         while (x[i][3] < 0)
   9                 for (d=0; d<=3; d++)
  10                         x[i][d] = 0;
  11
  12         while (x[i][3] >= 0)
  13                 for (d=0; d<=3; d++)
  14                         x[i][d] = 0;
  15
  16 }