gcc/testsuite/gcc.dg/pr105597.c

   1 /* PR tree-optimization/105597 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -Wno-int-conversion" } */
   4
   5 typedef struct {
   6   int allocated;
   7 } vvec;
   8
   9 int vvneeds_want, mgpssort;
  10
  11 void vvinit(vvec *v, int minelems) { v->allocated = -minelems; }
  12
  13 void vvneeds(vvec *v, int needed) {
  14   if (needed > v->allocated)
  15     if (v->allocated < 0)
  16       ;
  17     else {
  18       int next = v->allocated + (v->allocated >> 1);
  19       vvneeds_want = next;
  20     }
  21 }
  22
  23 void mgpssort_1() {
  24   vvinit((vvec *) &mgpssort, mgpssort_1);
  25   vvneeds((vvec *) &mgpssort, mgpssort_1);
  26 }
  27