45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
/* Test diagnosis of nested tag redefinitions. */
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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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struct s0 {
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struct s0 { int a; } x; /* { dg-error "nested redefinition of 'struct s0'" } */
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};
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struct s1 {
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const struct s1 { int b; } x; /* { dg-error "nested redefinition of 'struct s1'" } */
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};
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struct s2 {
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struct s2 { int c; } *x; /* { dg-error "nested redefinition of 'struct s2'" } */
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};
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struct s3 {
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struct s4 {
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struct s5 {
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struct s3 { int a; } **x; /* { dg-error "nested redefinition of 'struct s3'" } */
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} y;
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} z;
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};
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struct s6;
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struct s6 { struct s6 *p; };
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union u0 {
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union u0 { int c; } *x; /* { dg-error "nested redefinition of 'union u0'" } */
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};
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enum e0 {
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E0 = sizeof(enum e0 { E1 }) /* { dg-error "nested redefinition of 'enum e0'" } */
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};
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enum e1 {
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E2 = sizeof(enum e2 { E2 }), /* { dg-error "redeclaration of enumerator 'E2'" } */
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/* { dg-message "note: previous definition" "previous E2" { target *-*-* } .-1 } */
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E3
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};
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enum e3;
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enum e3 { E4 = 0 };
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