/* If some target has a Max alignment less than 32, please create a #ifdef around the alignment and add your alignment. */ #ifdef __pdp11__ #define alignment 2 #else #define alignment 32 #endif typedef struct x { int a; int b; } __attribute__((aligned(alignment))) X; typedef struct y { X x[32]; int c; } Y; Y y[2]; int main(void) { if (((char *)&y[1] - (char *)&y[0]) & 31) abort (); exit (0); }