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/* { dg-do compile } */
 
#define ATTR_PRINTF __attribute__ ((format (printf, 1, 2)))
#define ATTR_USED __attribute__ ((used))
 
void bar (int, ...);
 
/* gcc would segfault on the nested attribute.  */
void foo (void)
{
  bar (0, (void (*ATTR_PRINTF) (const char *, ...)) 0);
}
 
/* For consistency, unnamed decls should give the same warnings as
   named ones.  */
void proto1 (int (*ATTR_USED) (void)); /* { dg-warning "attribute ignored" } */
void proto2 (int (*ATTR_USED bar) (void)); /* { dg-warning "attribute ignored" } */