gcc/testsuite/gcc.dg/graphite/pr60979.c

   1 /* { dg-options "-O -fgraphite-identity" } */
   2 /* { dg-require-effective-target nonlocal_goto } */
   3
   4 #include <setjmp.h>
   5
   6 struct x;
   7
   8 typedef struct x **(*a)(struct x *);
   9 void d (const char *);
  10
  11 struct x {
  12     union {
  13         struct {
  14             union {
  15                 a *i;
  16             } l;
  17             int s;
  18         } y;
  19     } e;
  20 };
  21
  22 jmp_buf c;
  23
  24 void
  25 b(struct x *r)
  26 {
  27   int f;
  28   static int w = 0;
  29   volatile jmp_buf m;
  30   f = (*(((struct x *)r)->e.y.l.i[2]((struct x *)r)))->e.y.s;
  31   if (w++ != 0)
  32     __builtin_memcpy((char *)m, (const char *)c, sizeof(jmp_buf));
  33   if (setjmp (c) == 0) {
  34       int z;
  35       for (z = 0; z < 0; ++z)
  36         ;
  37   }
  38   d((const char *)m);
  39 }