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