| /* Test C2x attribute syntax. Invalid uses of attributes. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-std=c2x -pedantic-errors" } */ |
| |
| /* Prefix attributes not allowed on declarations without declarators. */ |
| |
| [[]] struct s { int a; }; /* { dg-error "empty declaration" } */ |
| |
| [[]] union u { int a; }; /* { dg-error "empty declaration" } */ |
| |
| void |
| f1 (void) |
| { |
| [[]] struct t { int a; }; /* { dg-error "empty declaration" } */ |
| } |
| |
| /* Prefix attributes not allowed on _Static_assert. */ |
| |
| [[]] _Static_assert (1); /* { dg-error "expected" } */ |
| |
| void |
| f2 (void) |
| { |
| [[]] _Static_assert (1); /* { dg-error "expected" } */ |
| } |
| |
| /* Declarations, including attribute declarations, cannot appear after |
| labels when a statement is expected. */ |
| |
| void |
| f3 (void) |
| { |
| if (1) |
| x: [[]]; /* { dg-error "expected" } */ |
| } |
| |
| /* Prefix attributes cannot appear on type names. */ |
| |
| int z = sizeof ([[]] int); /* { dg-error "expected" } */ |
| |
| /* Attributes are not allowed after struct, union or enum, except when |
| the type contents are being defined or the declaration is just |
| "struct-or-union atribute-specifier-sequence identifier;". */ |
| |
| const struct [[]] s2; /* { dg-warning "useless type qualifier" } */ |
| /* { dg-error "invalid use of attributes in empty declaration" "invalid" { target *-*-* } .-1 } */ |
| |
| const union [[]] u2; /* { dg-warning "useless type qualifier" } */ |
| /* { dg-error "invalid use of attributes in empty declaration" "invalid" { target *-*-* } .-1 } */ |
| |
| struct [[]] s3 *sv; /* { dg-error "expected" } */ |
| |
| union [[]] u3 *uv; /* { dg-error "expected" } */ |
| |
| enum e { E1 }; |
| |
| enum [[]] e *ev; /* { dg-error "expected" } */ |
