gcc/testsuite/gcc.c-torture/compile/pr42956.c

   1 typedef const int cint;
   2 typedef struct {
   3 } Bounds;
   4 int ndim_, ncomp_, selectedcomp_, nregions_;
   5 void *voidregion_;
   6 typedef struct {
   7     double diff, err, spread;
   8 } Errors;
   9 typedef const Errors cErrors;
  10 void Split(int iregion, int depth, int xregion)
  11 {
  12   typedef struct {
  13       double avg, err, spread, chisq;
  14       double xmin[ndim_], xmax[ndim_];
  15   } Result;
  16   typedef struct region {
  17       Result result[ncomp_];
  18   } Region;
  19   Errors errors[ncomp_];
  20   int comp, ireg, xreg;
  21   for( ireg = iregion, xreg = xregion; ireg < nregions_; ireg = xreg++ )
  22     {
  23       Result *result = ((Region *)voidregion_)[ireg].result;
  24       for( comp = 0; comp < ncomp_; ++comp )
  25         {
  26           Result *r = &result[comp];
  27           cErrors *e = &errors[comp];
  28           double c = e->diff;
  29           if( r->err > 0 ) r->err = r->err*e->err + c;
  30         }
  31     }
  32 }
  33