gcc/testsuite/gcc.dg/align-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-rtl-expand" } */
   3
   4 typedef struct { char a[2]; } __attribute__((__packed__)) TU2;
   5 unsigned short get16_unaligned(const void *p) {
   6     unsigned short v;
   7     *(TU2 *)(void *)(&v) = *(const TU2 *)p;
   8     return v;
   9 }
  10
  11 /* { dg-final { scan-rtl-dump "MEM\[^\n\r\]*A8\\\]" "expand" } } */