gcc/testsuite/gcc.dg/guality/pr48466.c

   1 /* PR debug/48466 */
   2 /* { dg-do run } */
   3 /* { dg-options "-g" } */
   4 /* { dg-skip-if "" { *-*-* }  { "*" } { "-O0" } } */
   5
   6 struct S { unsigned int a; unsigned int *b; };
   7 struct T { struct S a; struct S b; };
   8 struct U { const char *u; };
   9 int n[10];
  10 volatile int v;
  11
  12 struct U
  13 foo (const char *s)
  14 {
  15   struct U r;
  16   r.u = s;
  17   return r;
  18 }
  19
  20 void
  21 bar (struct T *s, int a, int b)
  22 {
  23   s->a.a = a;
  24   s->a.b = &s->a.a;
  25   s->b.a = b;
  26   s->b.b = &s->b.a;
  27 }
  28
  29 int
  30 main ()
  31 {
  32   struct T t;
  33   struct U x = foo ("this is x");
  34   struct S y, z;
  35   y.b = n;              /* { dg-final { gdb-test 38 "t.a.a" "17" } } */
  36   y.a = 0;              /* { dg-final { gdb-test 38 "*t.a.b" "17" } } */
  37   bar (&t, 17, 21);     /* { dg-final { gdb-test 38 "t.b.a" "21" } } */
  38   v++;                  /* { dg-final { gdb-test 38 "*t.b.b" "21" } } */
  39   z = y;
  40   return 0;
  41 }