[Bug tree-optimization/45982] New: [4.3/4.4/4.5/4.6 Regression] PTA does not track integers

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45982

           Summary: [4.3/4.4/4.5/4.6 Regression] PTA does not track
                    integers
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: rgue...@gcc.gnu.org


#include <stdint.h>

extern void abort (void);

uintptr_t __attribute__((pure,noinline,noclone))
foo (int *a)
{
  return (uintptr_t) a;
}

void __attribute__((noinline,noclone))
bar (uintptr_t a)
{
  int *p = (int *)a;
  *p = 1;
}

int main()
{
  int t = 0;
  bar (foo (&t));
  if (t != 1)
    abort ();
  return 0;
}


Related to PR45967.