re PR fortran/80361 ([OOP] bogus recursive call to nonrecursive procedure with -fcheck=recursion)

2017-04-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/80361
	* class.c (generate_finalization_wrapper): Give the finalization wrapper
	the recursive attribute.

2017-04-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/80361
	* gfortran.dg/class_62.f90: New test case.

From-SVN: r246934

gcc/fortran/ChangeLog

+2017-04-14  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/80361
+	* class.c (generate_finalization_wrapper): Give the finalization wrapper
+	the recursive attribute.
 
 2017-04-10  Nicolas Koenig  <koenigni@student.ethz.ch>
             Paul Thomas  <pault@gcc.gnu.org>

gcc/fortran/class.c

@@ -1613,6 +1613,7 @@ generate_finalization_wrapper (gfc_symbol *derived, gfc_namespace *ns,
   final->attr.flavor = FL_PROCEDURE;
   final->attr.function = 1;
   final->attr.pure = 0;
+  final->attr.recursive = 1;
   final->result = final;
   final->ts.type = BT_INTEGER;
   final->ts.kind = 4;

gcc/testsuite/ChangeLog

+2017-04-14  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/80361
+	* gfortran.dg/class_62.f90: New test case.
+
 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* gcc.target/arc/loop-1.c: New file.

gcc/testsuite/gfortran.dg/class_62.f90

+! { dg-do run }
+! { dg-options "-fcheck=recursion" }
+!
+! PR 80361: [5/6/7 Regression] bogus recursive call to nonrecursive procedure with -fcheck=recursion
+!
+! Contributed by Jürgen Reuter <juergen.reuter@desy.de>
+
+program main_ut
+
+  implicit none
+
+  type :: prt_spec_expr_t
+  end type
+
+  type :: prt_expr_t
+     class(prt_spec_expr_t), allocatable :: x
+  end type
+
+  type, extends (prt_spec_expr_t) :: prt_spec_list_t
+     type(prt_expr_t) :: e
+  end type
+
+  class(prt_spec_list_t), allocatable :: y
+
+  allocate (y)
+  allocate (prt_spec_list_t :: y%e%x)
+  deallocate(y)
+
+end program