Change Ada.Streams.Stream_Element_Offset into always 64bit
Delete unnecessary constraints from C.char_array
Improve Ada.Directories.Set_Modification_Time using FILE_FLAG_OPEN_REPARSE_POINT to indicate a link itself in Windows
Fix the field name d_fileno to d_ino in FreeBSD
Add Ada.Directories.Information.Identity to get an unique file identitifer
Insert missing pragma Pure or Preelaborate
Insert pragma Pure_Function for functions taking System.Address in pure packages
Improve in inlining
Merge branch 'master' (gcc-4.7, commit 'd94bd95') into gcc-4.6

Conflicts:
	source/s-finmas.ads (deleted)
	source/strings/a-chacon.ads