gcc/testsuite/gcc.dg/array-quals-2.c

   1 /* Test that pointers to arrays of differently qualified types aren't
   2    permitted in conditional expressions, and that qualifiers aren't
   3    lost in forming composite types.  */
   4 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   5 /* { dg-do compile } */
   6 /* { dg-options "-pedantic -Wno-discarded-array-qualifiers" } */
   7 typedef const char T[1];
   8 typedef const char T2[1];
   9 typedef volatile char U[1];
  10 T *p;
  11 T2 *p2;
  12 U *q;
  13 void *f(void) { return 1 ? p : q; } /* { dg-warning "pointers to arrays with different qualifiers" } */
  14 T *g(void) { return 1 ? p : p2; }