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/* Test C23 attribute syntax. Test unknown standard attributes
diagnosed with a pedwarn. */
/* { dg-do compile } */
/* { dg-options "-std=c23 -pedantic-errors" } */
[[unknown_attribute]]; /* { dg-error "attribute ignored" } */
[[unknown_attribute]] extern int a; /* { dg-error "attribute ignored" } */
extern int [[unknown_attribute(123)]] a; /* { dg-error "attribute ignored" } */
extern int a [[unknown_attribute("")]]; /* { dg-error "attribute ignored" } */
int f () [[unknown_attribute]]; /* { dg-error "attribute ignored" } */
int f (void) [[unknown_attribute(1)]]; /* { dg-error "attribute ignored" } */
int g ([[unknown_attribute]] int a); /* { dg-error "attribute ignored" } */
int g (int [[unknown_attribute]] a); /* { dg-error "attribute ignored" } */
int g (int a [[unknown_attribute]]); /* { dg-error "attribute ignored" } */
int g ([[unknown_attribute]] int); /* { dg-error "attribute ignored" } */
int g (int [[unknown_attribute]]); /* { dg-error "attribute ignored" } */
int g (int) [[unknown_attribute]]; /* { dg-error "attribute ignored" } */
int *[[unknown_attribute]] p; /* { dg-error "attribute ignored" } */
int b[3] [[unknown_attribute]]; /* { dg-error "attribute ignored" } */
int h (int () [[unknown_attribute]]); /* { dg-error "attribute ignored" } */
struct [[unknown_attribute]] s; /* { dg-error "attribute ignored" } */
union [[unknown_attribute]] u; /* { dg-error "attribute ignored" } */
struct [[unknown_attribute]] s2 { int a; }; /* { dg-error "attribute ignored" } */
union [[unknown_attribute(x)]] u2 { int a; }; /* { dg-error "attribute ignored" } */
struct s3 { [[unknown_attribute]] int a; }; /* { dg-error "attribute ignored" } */
struct s4 { int [[unknown_attribute]] a; }; /* { dg-error "attribute ignored" } */
union u3 { [[unknown_attribute]] int a; }; /* { dg-error "attribute ignored" } */
union u4 { int [[unknown_attribute]] a; }; /* { dg-error "attribute ignored" } */
int z = sizeof (int [[unknown_attribute]]); /* { dg-error "attribute ignored" } */
enum [[unknown_attribute]] { E1 }; /* { dg-error "attribute ignored" } */
enum { E2 [[unknown_attribute]] }; /* { dg-error "attribute ignored" } */
enum { E3 [[unknown_attribute]] = 4 }; /* { dg-error "attribute ignored" } */
void
func (void) [[unknown_attribute]] { /* { dg-error "attribute ignored" } */
[[unknown_attribute]] int var; /* { dg-error "attribute ignored" } */
[[unknown_attribute]] { } /* { dg-error "attribute ignored" } */
[[unknown_attribute(!)]]; /* { dg-error "attribute ignored" } */
[[unknown_attribute]] var = 1; /* { dg-error "attribute ignored" } */
[[unknown_attribute]] x: var = 2; /* { dg-error "attribute ignored" } */
for ([[unknown_attribute]] int zz = 1; zz < 10; zz++) ; /* { dg-error "attribute ignored" } */
}
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