re PR fortran/69659 (ICE on using option -frepack-arrays, in gfc_conv_descriptor_data_get)

gcc/testsuite/ChangeLog:

2016-06-05  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/69659
	* gfortran.dg/class_array_22.f03: New test.


gcc/fortran/ChangeLog:

2016-06-05  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/69659
	* trans-array.c (gfc_trans_dummy_array_bias): For class arrays use
	the address of the _data component to reference the arrays data
	component.

From-SVN: r237105

gcc/fortran/ChangeLog

+2016-06-05  Andre Vehreschild  <vehre@gcc.gnu.org>
+
+	PR fortran/69659
+	* trans-array.c (gfc_trans_dummy_array_bias): For class arrays use
+	the address of the _data component to reference the arrays data
+	component.
+
 2016-06-03  Chung-Lin Tang  <cltang@codesourcery.com>
 
 	* trans-openmp.c (gfc_trans_omp_reduction_list): Add mark_addressable

gcc/fortran/trans-array.c

@@ -6386,7 +6386,12 @@ gfc_trans_dummy_array_bias (gfc_symbol * sym, tree tmpdesc,
       stmtCleanup = gfc_finish_block (&cleanup);
 
       /* Only do the cleanup if the array was repacked.  */
-      tmp = build_fold_indirect_ref_loc (input_location, dumdesc);
+      if (is_classarray)
+	/* For a class array the dummy array descriptor is in the _class
+	   component.  */
+	tmp = gfc_class_data_get (dumdesc);
+      else
+	tmp = build_fold_indirect_ref_loc (input_location, dumdesc);
       tmp = gfc_conv_descriptor_data_get (tmp);
       tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
 			     tmp, tmpdesc);

gcc/testsuite/ChangeLog

+2016-06-05  Andre Vehreschild  <vehre@gcc.gnu.org>
+
+	PR fortran/69659
+	* gfortran.dg/class_array_22.f03: New test.
+
 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
 
 	* gcc.dg/tree-prof/peel-1.c: Fix testcase.

gcc/testsuite/gfortran.dg/class_array_22.f03

+! { dg-do compile }
+! { dg-options "-frepack-arrays " }
+!
+! Original class_array_11.f03 but with -frepack-arrays a new
+! ICE was produced reported in
+! PR fortran/69659
+!
+! Original testcase by Ian Harvey <ian_harvey@bigpond.com>
+! Reduced by Janus Weil <Janus@gcc.gnu.org>
+
+  IMPLICIT NONE
+
+  TYPE :: ParentVector
+    INTEGER :: a
+  END TYPE ParentVector
+
+CONTAINS
+
+  SUBROUTINE vector_operation(pvec)
+    CLASS(ParentVector), INTENT(INOUT) :: pvec(:)
+    print *,pvec(1)%a
+  END SUBROUTINE
+
+END
+