29 lines
571 B
C++
29 lines
571 B
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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// expected-no-diagnostics
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struct B {
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int x, y, z, w;
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} b;
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struct __attribute__((packed)) A {
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struct B b;
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} a;
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typedef __typeof__(sizeof(int)) size_t;
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extern "C" {
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void *memcpy(void *dest, const void *src, size_t n);
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int memcmp(const void *s1, const void *s2, size_t n);
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void *memmove(void *dest, const void *src, size_t n);
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void *memset(void *s, int c, size_t n);
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}
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int x;
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void foo() {
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memcpy(&a.b, &b, sizeof(b));
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memmove(&a.b, &b, sizeof(b));
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memset(&a.b, 0, sizeof(b));
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x = memcmp(&a.b, &b, sizeof(b));
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}
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