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[Bug tree-optimization/45971] [4.6 Regression] ice in vect_update_ivs_after_vectorizer


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45971

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-08 08:43:51 UTC ---
Slightly more reduced testcase:

void
foo (int *x, int *y)
{
  int i;
  for (i = 0; i < 11; i++)
    y[i] = (x[i] == 1) ? i + 1 : -(i + 1);
}

The following:

void
bar (int *x, int *y)
{
  int i;
  for (i = 0; i < 64; i++)
    y[i] = (x[i] == 1) ? i + 1 : -(i + 1);
}

ICEs with
internal compiler error: in get_initial_def_for_induction, at
tree-vect-loop.c:2659
instead.


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