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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [20041106-1.c] - Rev 414
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/* { dg-do run { target *-*-linux* *-*-solaris* } } */ /* { dg-options -O2 } */ #include <sys/types.h> #include <sys/mman.h> #include <unistd.h> #include <stdlib.h> struct S { long x __attribute__((packed)); }; /* { dg-warning "attribute ignored" "" { target default_packed } } */ volatile long sink; void foo (struct S *s) { sink = s->x; } int main () { size_t ps = getpagesize (); char *ptr, *page; struct S *s; ptr = malloc (3*ps); page = (char *)(((size_t)ptr + (ps - 1)) & -ps); munmap (page + ps, ps); s = (struct S *)(page + ps - sizeof(struct S)); foo(s); return 0; }
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