[Bug target/52023] _Alignof (double) yields wrong value on x86

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-27 
21:09:53 UTC ---
One more comment about _Alignof and structures.
Take the following two structures on powerpc-aix (and on powerpc-darwin):
struct
{
  double d;
  int i;
};

struct
{
  int i;
  double d;
};

They have two different alignments.  The first one is the alignment of double
and the second is alignment of int.  This is because is how the ABI documents
alignment works.