gcc/testsuite/gcc.dg/gnu23-stdarg-1.c


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/* Test variadic functions with no named parameters do not accept GNU
   attributes before '...'.  */
/* { dg-do compile } */
/* { dg-options "-std=gnu23" } */

int f (__attribute__(()) ...); /* { dg-error "expected" } */
int g (int (__attribute__(()) ...)); /* { dg-error "expected" } */
int h (__attribute__(()) ...) { return 0; } /* { dg-error "expected" } */