[Bug c/52404] New: internal compiler error: in setup_min_max_allocno_live_range_point, at ira-build.c:2425

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52404

             Bug #: 52404
           Summary: internal compiler error: in
                    setup_min_max_allocno_live_range_point, at
                    ira-build.c:2425
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: mib.bugzilla@gmail.com


Created attachment 26764
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26764
Detailed description of the error

If option -mcx16 is used, the bug doesn't exhibit. Verbose information about
compiler build etc in attachment


extern void abort(void);

__int128_t v=0, count=0;
extern int result;

int foo ()
{
  result = __atomic_load_n (&v, __ATOMIC_RELAXED);
  return 0;
}