[Bug tree-optimization/38752] New: [4.3 Regression] ICE in set_uids_in_ptset, at tree-ssa-structalias.c:4817

[rguenth at gcc dot gnu dot org]

typedef struct
{
  int             baddr;
} mstruct_t;

static struct
{
  unsigned int    mapnum;
  mstruct_t       unused;
} mtab;

static mstruct_t *mactab = &mtab.unused;

int
main(void)
{
  int i;
  int addr;

  for (i=1; i <= mtab.mapnum; i++)
    {
      if (addr < mactab[i].baddr)
        {
          break;
        }
    }
  return 0;
}

./cc1 -quiet -O2 t.c
t.c: In function ‘main’:
t.c:16: internal compiler error: in set_uids_in_ptset, at
tree-ssa-structalias.c:4817
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.3 Regression] ICE in set_uids_in_ptset, at tree-ssa-
                    structalias.c:4817
           Product: gcc
           Version: 4.3.3
            Status: UNCONFIRMED
          Keywords: ice-on-valid-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=38752