re PR fortran/71705 (ICE in lower_omp_target, at omp-low.c:16136)

	PR fortran/71705
	* trans-openmp.c (gfc_trans_omp_clauses): Set TREE_ADDRESSABLE on
	decls in to/from clauses.

	* gfortran.dg/gomp/pr71705.f90: New test.

From-SVN: r237887

gcc/fortran/ChangeLog

+2016-06-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/71705
+	* trans-openmp.c (gfc_trans_omp_clauses): Set TREE_ADDRESSABLE on
+	decls in to/from clauses.
+
 2016-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR fortran/71686

gcc/fortran/trans-openmp.c

@@ -2182,6 +2182,8 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
 		  tree decl = gfc_get_symbol_decl (n->sym);
 		  if (gfc_omp_privatize_by_reference (decl))
 		    decl = build_fold_indirect_ref (decl);
+		  else if (DECL_P (decl))
+		    TREE_ADDRESSABLE (decl) = 1;
 		  if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl)))
 		    {
 		      tree type = TREE_TYPE (decl);

gcc/testsuite/ChangeLog

+2016-06-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/71705
+	* gfortran.dg/gomp/pr71705.f90: New test.
+
 2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 
 	* gcc.target/powerpc/dfp/dfp.exp: New dejagnu test script.

gcc/testsuite/gfortran.dg/gomp/pr71705.f90

+! PR fortran/71705
+! { dg-do compile }
+
+  real :: x
+  x = 0.0
+  !$omp target update to(x)
+end