📄 redecl-3.c
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/* Test for multiple declarations and composite types. Includes bug 13801. *//* Origin: Joseph Myers <jsm@polyomino.org.uk> *//* { dg-do compile } *//* { dg-options "-g" } */typedef int IA[];typedef int A10[10];/* Test all combinations of: a variable declared at file scope (no type specifiers, or extern, or static), or just inside a function (with extern), redeclared in an inner scope (with extern), and redeclared in an inner scope when the previous declaration is hidden (with extern, and not if the original declaration was static). Test three times: incomplete variable types; pointers to incomplete types; functions returning such pointers. */IA a0;voidf0 (void){ sizeof(a0); /* { dg-error "incomplete" } */ { extern IA a0; sizeof(a0); /* { dg-error "incomplete" } */ { int a0; { extern IA a0; sizeof(a0); /* { dg-error "incomplete" } */ } } sizeof(a0); /* { dg-error "incomplete" } */ } sizeof(a0); /* { dg-error "incomplete" } */}extern A10 a0;IA a1;voidf1 (void){ sizeof(a1); /* { dg-error "incomplete" } */ { extern IA a1; sizeof(a1); /* { dg-error "incomplete" } */ { int a1; { extern A10 a1; sizeof(a1); } } sizeof(a1); /* { dg-error "incomplete" } */ } sizeof(a1); /* { dg-error "incomplete" } */}extern A10 a1;IA a2;voidf2 (void){ sizeof(a2); /* { dg-error "incomplete" } */ { extern A10 a2; sizeof(a2); { int a2; { extern IA a2; sizeof(a2); /* { dg-error "incomplete" } */ } } sizeof(a2); } sizeof(a2); /* { dg-error "incomplete" } */}extern A10 a2;IA a3;voidf3 (void){ sizeof(a3); /* { dg-error "incomplete" } */ { extern A10 a3; sizeof(a3); { int a3; { extern A10 a3; sizeof(a3); } } sizeof(a3); } sizeof(a3); /* { dg-error "incomplete" } */}extern A10 a3;A10 a4;voidf4 (void){ sizeof(a4); { extern IA a4; sizeof(a4); { int a4; { extern IA a4; sizeof(a4); /* { dg-error "incomplete" } */ } } sizeof(a4); } sizeof(a4);}extern A10 a4;A10 a5;voidf5 (void){ sizeof(a5); { extern IA a5; sizeof(a5); { int a5; { extern A10 a5; sizeof(a5); } } sizeof(a5); } sizeof(a5);}extern A10 a5;A10 a6;voidf6 (void){ sizeof(a6); { extern A10 a6; sizeof(a6); { int a6; { extern IA a6; sizeof(a6); /* { dg-error "incomplete" } */ } } sizeof(a6); } sizeof(a6);}extern A10 a6;A10 a7;voidf7 (void){ sizeof(a7); { extern A10 a7; sizeof(a7); { int a7; { extern A10 a7; sizeof(a7); } } sizeof(a7); } sizeof(a7);}extern A10 a7;extern IA a8;voidf8 (void){ sizeof(a8); /* { dg-error "incomplete" } */ { extern IA a8; sizeof(a8); /* { dg-error "incomplete" } */ { int a8; { extern IA a8; sizeof(a8); /* { dg-error "incomplete" } */ } } sizeof(a8); /* { dg-error "incomplete" } */ } sizeof(a8); /* { dg-error "incomplete" } */}extern A10 a8;extern IA a9;voidf9 (void){ sizeof(a9); /* { dg-error "incomplete" } */ { extern IA a9; sizeof(a9); /* { dg-error "incomplete" } */ { int a9; { extern A10 a9; sizeof(a9); } } sizeof(a9); /* { dg-error "incomplete" } */ } sizeof(a9); /* { dg-error "incomplete" } */}extern A10 a9;extern IA a10;voidf10 (void){ sizeof(a10); /* { dg-error "incomplete" } */ { extern A10 a10; sizeof(a10); { int a10; { extern IA a10; sizeof(a10); /* { dg-error "incomplete" } */ } } sizeof(a10); } sizeof(a10); /* { dg-error "incomplete" } */}extern A10 a10;extern IA a11;voidf11 (void){ sizeof(a11); /* { dg-error "incomplete" } */ { extern A10 a11; sizeof(a11); { int a11; { extern A10 a11; sizeof(a11); } } sizeof(a11); } sizeof(a11); /* { dg-error "incomplete" } */}extern A10 a11;extern A10 a12;voidf12 (void){ sizeof(a12); { extern IA a12; sizeof(a12); { int a12; { extern IA a12; sizeof(a12); /* { dg-error "incomplete" } */ } } sizeof(a12); } sizeof(a12);}extern A10 a12;extern A10 a13;voidf13 (void){ sizeof(a13); { extern IA a13; sizeof(a13); { int a13; { extern A10 a13; sizeof(a13); } } sizeof(a13); } sizeof(a13);}extern A10 a13;extern A10 a14;voidf14 (void){ sizeof(a14); { extern A10 a14; sizeof(a14); { int a14; { extern IA a14; sizeof(a14); /* { dg-error "incomplete" } */ } } sizeof(a14); } sizeof(a14);}extern A10 a14;extern A10 a15;voidf15 (void){ sizeof(a15); { extern A10 a15; sizeof(a15); { int a15; { extern A10 a15; sizeof(a15); } } sizeof(a15); } sizeof(a15);}extern A10 a15;static IA a16;voidf16 (void){ sizeof(a16); /* { dg-error "incomplete" } */ { extern IA a16; sizeof(a16); /* { dg-error "incomplete" } */ } sizeof(a16); /* { dg-error "incomplete" } */}extern A10 a16;static IA a17;voidf17 (void){ sizeof(a17); /* { dg-error "incomplete" } */ { extern A10 a17; sizeof(a17); } sizeof(a17); /* { dg-error "incomplete" } */}extern A10 a17;static A10 a18;voidf18 (void){ sizeof(a18); { extern IA a18; sizeof(a18); } sizeof(a18);}extern A10 a18;static A10 a19;voidf19 (void){ sizeof(a19); { extern A10 a19; sizeof(a19); } sizeof(a19);}extern A10 a19;IA *b0;voidg0 (void){ sizeof(*b0); /* { dg-error "incomplete" } */ { extern IA *b0; sizeof(*b0); /* { dg-error "incomplete" } */ { int b0; { extern IA *b0; sizeof(*b0); /* { dg-error "incomplete" } */ } } sizeof(*b0); /* { dg-error "incomplete" } */ } sizeof(*b0); /* { dg-error "incomplete" } */}extern A10 *b0;IA *b1;voidg1 (void){ sizeof(*b1); /* { dg-error "incomplete" } */ { extern IA *b1; sizeof(*b1); /* { dg-error "incomplete" } */ { int b1; { extern A10 *b1; sizeof(*b1); } } sizeof(*b1); /* { dg-error "incomplete" } */ } sizeof(*b1); /* { dg-error "incomplete" } */}extern A10 *b1;IA *b2;voidg2 (void){ sizeof(*b2); /* { dg-error "incomplete" } */ { extern A10 *b2; sizeof(*b2); { int b2; { extern IA *b2; sizeof(*b2); /* { dg-error "incomplete" } */ } } sizeof(*b2); } sizeof(*b2); /* { dg-error "incomplete" } */}extern A10 *b2;IA *b3;voidg3 (void){ sizeof(*b3); /* { dg-error "incomplete" } */ { extern A10 *b3; sizeof(*b3); { int b3; { extern A10 *b3; sizeof(*b3); } } sizeof(*b3); } sizeof(*b3); /* { dg-error "incomplete" } */}extern A10 *b3;A10 *b4;voidg4 (void){ sizeof(*b4); { extern IA *b4; sizeof(*b4); { int b4; { extern IA *b4; sizeof(*b4); /* { dg-error "incomplete" } */ } } sizeof(*b4); } sizeof(*b4);}extern A10 *b4;A10 *b5;voidg5 (void){ sizeof(*b5); { extern IA *b5; sizeof(*b5); { int b5; { extern A10 *b5; sizeof(*b5); } } sizeof(*b5); } sizeof(*b5);}extern A10 *b5;A10 *b6;voidg6 (void){ sizeof(*b6); { extern A10 *b6; sizeof(*b6); { int b6; { extern IA *b6; sizeof(*b6); /* { dg-error "incomplete" } */ } } sizeof(*b6); } sizeof(*b6);}extern A10 *b6;A10 *b7;voidg7 (void){ sizeof(*b7); { extern A10 *b7; sizeof(*b7); { int b7; { extern A10 *b7; sizeof(*b7); } } sizeof(*b7); } sizeof(*b7);}extern A10 *b7;extern IA *b8;voidg8 (void){ sizeof(*b8); /* { dg-error "incomplete" } */ { extern IA *b8; sizeof(*b8); /* { dg-error "incomplete" } */ { int b8; { extern IA *b8; sizeof(*b8); /* { dg-error "incomplete" } */ } } sizeof(*b8); /* { dg-error "incomplete" } */ } sizeof(*b8); /* { dg-error "incomplete" } */
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