[Bug regression/23327] New: Improper removal of struct field assignments by optimizer

["gcczilla at achurch dot org" <gcc-bugzilla at gcc dot gnu dot org>]

GCC 4.0.0 and later optimize out struct assignments inappropriately when the
struct is used as an input to an asm().  For example, in:

struct {int a,b} args;
a

-- 
           Summary: Improper removal of struct field assignments by
                    optimizer
           Product: gcc
           Version: 4.0.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: regression
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: gcczilla at achurch dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23327