[gomp4.1] Fix up gimple_copy for GIMPLE_OMP_ORDERED clauses

[Jakub Jelinek]

Hi!

We forgot to update gimple_copy when clauses were added to
GIMPLE_OMP_ORDERED.  Fixed thusly:

2015-10-13  Jakub Jelinek  <ja...@redhat.com>

        * gimple.c (gimple_copy): Unshare clauses on GIMPLE_OMP_ORDERED.

--- gcc/gimple.c.jj     2015-10-13 09:39:21.000000000 +0200
+++ gcc/gimple.c        2015-10-13 11:25:54.086967126 +0200
@@ -1792,6 +1792,12 @@ gimple_copy (gimple *stmt)
          gimple_omp_critical_set_clauses (as_a <gomp_critical *> (copy), t);
          goto copy_omp_body;
 
+       case GIMPLE_OMP_ORDERED:
+         t = unshare_expr (gimple_omp_ordered_clauses
+                               (as_a <gomp_ordered *> (stmt)));
+         gimple_omp_ordered_set_clauses (as_a <gomp_ordered *> (copy), t);
+         goto copy_omp_body;
+
        case GIMPLE_OMP_SECTIONS:
          t = unshare_expr (gimple_omp_sections_clauses (stmt));
          gimple_omp_sections_set_clauses (copy, t);
@@ -1805,7 +1811,6 @@ gimple_copy (gimple *stmt)
        case GIMPLE_OMP_SECTION:
        case GIMPLE_OMP_MASTER:
        case GIMPLE_OMP_TASKGROUP:
-       case GIMPLE_OMP_ORDERED:
        copy_omp_body:
          new_seq = gimple_seq_copy (gimple_omp_body (stmt));
          gimple_omp_set_body (copy, new_seq);

        Jakub