sdcc/support/regression/tests/gcc-torture-execute-20060930-2.c

   1 /*
   2    20060930-2.c from the execute part of the gcc torture suite.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 #include <string.h>
  12
  13 /* PR middle-end/29272 */
  14
  15 struct S { struct S *s; } s;
  16 struct T { struct T *t; } t;
  17
  18 static inline void
  19 foo (void *s)
  20 {
  21   struct T *p = s;
  22   memcpy (&p->t, &t.t, sizeof (t.t));
  23 }
  24
  25 void *
  26 bar (void *p, struct S *q)
  27 {
  28   q->s = &s;
  29   foo (p);
  30   return q->s;
  31 }
  32
  33 void
  34 testTortureExecute (void)
  35 {
  36   t.t = &t;
  37   if (bar (&s, &s) != (void *) &t)
  38     ASSERT (0);
  39   return;
  40 }