File: gnu23-attr-syntax-2.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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/* Test C23 attribute syntax.  Invalid uses of attributes with GNU C
   features.  */
/* { dg-do compile } */
/* { dg-options "-fpermissive -std=gnu23 -w" } */

/* Attributes cannot be used as prefix attributes on old-style
   parameter declarations or on function declarators with identifier
   lists (removed from C23).  */

void (*f(a, b) [[]])() int a, b; { } /* { dg-error "expected" } */

void f(x, y) int x; [[]] int y; { } /* { dg-error "expected" } */

/* Nonempty attributes cannot be used as postfix attributes with
   __auto_type.  */
__auto_type [[gnu::no_such_attr]] x = 1; /* { dg-error "'__auto_type' followed by" } */