[Bug tree-optimization/34330] New: [4.3 Regression] IC-ftree-parallelize-loops=4 ICE

[jakub at gcc dot gnu dot org]

/* { dg-do compile } */
/* { dg-options "-O3 -ftree-parallelize-loops=4" } */
struct T
{
  int t;
  struct { short s1, s2, s3, s4 } *s;
};

void
foo (int *a, int *b, int *c, int *d, struct T *e)
{
  int i;
  for (i = 0; i < e->t; i++)
    {
      e->s[i].s1 = a[i];
      e->s[i].s2 = b[i];
      e->s[i].s3 = c[i];
      e->s[i].s4 = d[i];
    }
}

ICEs on x86_64-linux with
test.c: In function 'foo':
test.c:11: internal compiler error: in get_smt_for, at tree-ssa-alias.c:3203
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.3 Regression] IC-ftree-parallelize-loops=4 ICE
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jakub at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-*-*, x86_64-*-*
 BugsThisDependsOn: 33453


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34330