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/* Test C23 attribute syntax. Basic tests of valid uses of empty
attributes. */
/* { dg-do compile } */
/* { dg-options "-std=c23 -pedantic-errors" } */
[ [ ] ] [[]];
[[]] int [[]] a [[]] = 123;
int f([[]] int x [[]], [[]] long [[]], short [[]] *[[]] [3] [[]],
int [[]] (int)[[]], int (*)(int)[[]]) [[]] [[]];
int g [[]] [2] [[]] [3] [[]];
int *[[]] const *[[]] volatile *[[]] *const p;
int *[[]][[]] q = 0;
struct [[]] s;
union [[]][[]] u;
struct [[]] s2 { [[]] long [[]] *a[[]] [3] [[]] [4], b[[]]; };
union [[]] u2 { [[]] long [[]] *a[[]] [3] [[]] [4]; };
int z = sizeof (int [[]]);
enum [[]] { E1 [[]][[]], E2[[]][[]] = 3 };
enum [[]] e { E3 = 4, E4 [[]] };
void
func (void) [[]]
{
[[]] int var;
[[]] { }
[[]] switch (a) { [[]] case 1: [[]] case 2: [[]] default: [[]] var = 3; }
[[]] x : [[]] y: [[]] var = 1;
[[]];
int [[]] var2;
[[]] if (a) [[]] (void) 0; else [[]] (void) 1;
[[]] while (0) [[]] var = 2;
[[]] do [[]] var = 3; while (0);
for ([[]] int zz = 1; zz < 10; zz++)
{
[[]] var2 = 8;
[[]] continue;
[[]] break;
}
if (a) [[]] goto x;
[[]] return;
}
void func2 () [[]];
void func3 () [[]] { }
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