gcc/testsuite/gcc.dg/gnu23-tag-4.c

   1 /* { dg-do compile }
   2  * { dg-options "-std=gnu23" } */
   3
   4 // structs with variably modified types
   5
   6 void bar(int n, int m)
   7 {
   8         struct f { int b; int a[n]; } *x;
   9         { struct f { int b; int a[n]; } *x2 = x; }
  10         { struct f { int b; int a[m]; } *x2 = x; }
  11         { struct f { int b; int a[5]; } *x2 = x; }
  12         { struct f { int b; int a[0]; }  *x2 = x; }
  13         { struct f { int b; int a[]; }  *x2 = x; }
  14
  15         struct g { int a[n]; int b; } *y;
  16         { struct g { int a[n]; int b; } *y2 = y; }
  17         { struct g { int a[m]; int b; } *y2 = y; }
  18         { struct g { int a[4]; int b; } *y2 = y; }
  19
  20         struct h { int b; int a[5]; } *w;
  21         { struct h { int b; int a[5]; } *w2 = w; }
  22         { struct h { int b; int a[n]; } *w2 = w; }
  23         { struct h { int b; int a[m]; } *w2 = w; }
  24
  25         struct i { int b; int (*a)(int c[n]); } *u;
  26         { struct i { int b; int (*a)(int c[4]); } *u2 = u; }
  27         { struct i { int b; int (*a)(int c[]); } *u2 = u; }
  28         { struct i { int b; int (*a)(int c[*]); } *u2 = u; }
  29 }
  30
  31