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/* Test diagnosis of nested tag redefinitions. */
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
/* { dg-do compile } */
/* { dg-options "" } */
struct s0 {
struct s0 { int a; } x; /* { dg-error "nested redefinition of 'struct s0'" } */
};
struct s1 {
const struct s1 { int b; } x; /* { dg-error "nested redefinition of 'struct s1'" } */
};
struct s2 {
struct s2 { int c; } *x; /* { dg-error "nested redefinition of 'struct s2'" } */
};
struct s3 {
struct s4 {
struct s5 {
struct s3 { int a; } **x; /* { dg-error "nested redefinition of 'struct s3'" } */
} y;
} z;
};
struct s6;
struct s6 { struct s6 *p; };
union u0 {
union u0 { int c; } *x; /* { dg-error "nested redefinition of 'union u0'" } */
};
enum e0 {
E0 = sizeof(enum e0 { E1 }) /* { dg-error "nested redefinition of 'enum e0'" } */
};
enum e1 {
E2 = sizeof(enum e2 { E2 }), /* { dg-error "redeclaration of enumerator 'E2'" } */
/* { dg-message "note: previous definition" "previous E2" { target *-*-* } 38 } */
E3
};
enum e3;
enum e3 { E4 = 0 };
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