mirror of https://github.com/rui314/chibicc
40 lines
2.2 KiB
C
40 lines
2.2 KiB
C
#include "test.h"
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#include "stddef.h"
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int main() {
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ASSERT(5, ({ struct { char a; int b; } __attribute__((packed)) x; sizeof(x); }));
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ASSERT(0, offsetof(struct __attribute__((packed)) { char a; int b; }, a));
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ASSERT(1, offsetof(struct __attribute__((packed)) { char a; int b; }, b));
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ASSERT(5, ({ struct __attribute__((packed)) { char a; int b; } x; sizeof(x); }));
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ASSERT(0, offsetof(struct { char a; int b; } __attribute__((packed)), a));
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ASSERT(1, offsetof(struct { char a; int b; } __attribute__((packed)), b));
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ASSERT(9, ({ typedef struct { char a; int b[2]; } __attribute__((packed)) T; sizeof(T); }));
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ASSERT(9, ({ typedef struct __attribute__((packed)) { char a; int b[2]; } T; sizeof(T); }));
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ASSERT(1, offsetof(struct __attribute__((packed)) T { char a; int b[2]; }, b));
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ASSERT(1, _Alignof(struct __attribute__((packed)) { char a; int b[2]; }));
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ASSERT(8, ({ struct __attribute__((aligned(8))) { int a; } x; _Alignof(x); }));
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ASSERT(8, ({ struct { int a; } __attribute__((aligned(8))) x; _Alignof(x); }));
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ASSERT(8, ({ struct __attribute__((aligned(8), packed)) { char a; int b; } x; _Alignof(x); }));
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ASSERT(8, ({ struct { char a; int b; } __attribute__((aligned(8), packed)) x; _Alignof(x); }));
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ASSERT(1, offsetof(struct __attribute__((aligned(8), packed)) { char a; int b; }, b));
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ASSERT(1, offsetof(struct { char a; int b; } __attribute__((aligned(8), packed)), b));
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ASSERT(8, ({ struct __attribute__((aligned(8))) __attribute__((packed)) { char a; int b; } x; _Alignof(x); }));
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ASSERT(8, ({ struct { char a; int b; } __attribute__((aligned(8))) __attribute__((packed)) x; _Alignof(x); }));
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ASSERT(1, offsetof(struct __attribute__((aligned(8))) __attribute__((packed)) { char a; int b; }, b));
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ASSERT(1, offsetof(struct { char a; int b; } __attribute__((aligned(8))) __attribute__((packed)), b));
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ASSERT(8, ({ struct __attribute__((aligned(8))) { char a; int b; } __attribute__((packed)) x; _Alignof(x); }));
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ASSERT(1, offsetof(struct __attribute__((aligned(8))) { char a; int b; } __attribute__((packed)), b));
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ASSERT(16, ({ struct __attribute__((aligned(8+8))) { char a; int b; } x; _Alignof(x); }));
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printf("OK\n");
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return 0;
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}
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