[Bug tree-optimization/38747] New: [4.4 Regression] Wrong code due to VIEW_CONVERT_EXPR

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

struct S { float f; };
int __attribute__((noinline))
foo (int *r, struct S *p)
{
  int *q = (int *)&p->f;
  int i = *q;
  *r = 0;
  return i + *q;
}
extern void abort (void);
int main()
{
  int i = 1;
  if (foo (&i, (struct S *)&i) != 1)
    abort ();
}


-- 
           Summary: [4.4 Regression] Wrong code due to VIEW_CONVERT_EXPR
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38747