gcc/testsuite/gcc.dg/pr22308-1.c

   1 /* Bug 22308: C_TYPE_FIELDS_READONLY not updated on type variants.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "" } */
   4
   5 struct foo s;
   6 volatile struct foo t;
   7 struct foo { const int z; };
   8
   9 void
  10 bar (void)
  11 {
  12   t = s; /* { dg-error "error: assignment of read-only variable 't'" } */
  13 }