| /* Test declaration specifiers. Test empty declarations. Test with |
| -pedantic. */ |
| /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ |
| /* { dg-do compile } */ |
| /* { dg-options "-pedantic" } */ |
| |
| /* If a declaration does not declare a declarator, it must declare a |
| tag or the members of an enumeration, and must only contain one |
| type specifier. */ |
| |
| typedef int T; |
| |
| struct s0; |
| union u0; |
| enum e0; /* { dg-warning "warning: ISO C forbids forward references" } */ |
| enum { E0 }; |
| enum e1 { E1 }; |
| |
| /* Not declaring anything (pedwarns). */ |
| struct { int a; }; /* { dg-warning "warning: unnamed struct/union that defines no instances" } */ |
| int; /* { dg-warning "warning: useless type name in empty declaration" } */ |
| long; /* { dg-warning "warning: useless type name in empty declaration" } */ |
| T; /* { dg-warning "warning: useless type name in empty declaration" } */ |
| static const; /* { dg-warning "warning: useless storage class specifier in empty declaration" } */ |
| /* { dg-warning "warning: empty declaration" "static const" { target *-*-* } 24 } */ |
| union { long b; }; /* { dg-warning "warning: unnamed struct/union that defines no instances" } */ |
| |
| /* Multiple type names (errors). */ |
| struct s1 int; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| char union u1; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| /* { dg-warning "warning: useless type name in empty declaration" "char union" { target *-*-* } 30 } */ |
| double enum { E2 }; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| /* { dg-warning "warning: useless type name in empty declaration" "double enum" { target *-*-* } 32 } */ |
| T struct s2; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| /* { dg-warning "warning: useless type name in empty declaration" "T struct" { target *-*-* } 34 } */ |
| long union u2; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| /* { dg-warning "warning: useless type name in empty declaration" "empty" { target *-*-* } 36 } */ |
| struct s3 short; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| union u3 signed; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| unsigned struct s4; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| /* { dg-warning "warning: useless type name in empty declaration" "empty" { target *-*-* } 40 } */ |
| _Complex enum { E3 }; /* { dg-error "error: two or more data types in declaration specifiers" } */ |
| /* { dg-warning "warning: useless type name in empty declaration" "empty" { target *-*-* } 42 } */ |
| /* { dg-warning "warning: ISO C90 does not support complex types" "C90" { target *-*-* } 42 } */ |
| /* { dg-warning "warning: ISO C does not support plain 'complex' meaning 'double complex'" "ISO C" { target *-*-* } 42 } */ |
