gcc/testsuite/gcc.dg/transparent-union-4.c

   1 /* Test for ICE on transparent union with function pointer and
   2    -pedantic.  Bug 22240.  */
   3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-pedantic" } */
   6
   7 typedef union { union w *u; int *i; } H __attribute__ ((transparent_union));
   8 void (*h) (H);
   9 void g (int *s) { h (s); } /* { dg-warning "ISO C prohibits argument conversion to union type" } */