blob: f24d9b468b9ad28c4cf772d87fd9bc0bcbb28ccd [file] [log] [blame]
/* 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 } */