gcc-4.9/gcc/testsuite/gcc.dg/pr48335-6.c


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/* PR middle-end/48335 */
/* { dg-do compile } */
/* { dg-options "-O2 -fno-tree-sra" } */

typedef long long T __attribute__((may_alias, aligned (1)));
typedef short U __attribute__((may_alias, aligned (1)));

struct S
{
  _Complex float d __attribute__((aligned (8)));
};

T
f1 (struct S x)
{
  struct S s = x;
  return *(T *) ((char *) &s.d + 1);
}

int
f2 (struct S x)
{
  struct S s = x;
  return ((U *)((char *) &s.d + 1))[0];
}

int
f3 (struct S x)
{
  struct S s = x;
  return ((U *)((char *) &s.d + 1))[1];
}

int
f4 (struct S x)
{
  struct S s = x;
  return ((U *)((char *) &s.d + 1))[2];
}

int
f5 (struct S x)
{
  struct S s = x;
  return ((U *)((char *) &s.d + 1))[3];
}