Fix fortran double address operator with co_reduce

gcc/fortran/
2015-07-17  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>

	* trans-intrinsic.c (conv_co_collective): Remove redundant address
	operator in the generated code.

gcc/testsuite/
2015-07-17  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>

	* gfortran.dg/co_reduce_1.f90: New file.

From-SVN: r225930

gcc/fortran/ChangeLog

+2015-07-17  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
+
+	* trans-intrinsic.c (conv_co_collective): Remove redundant address
+	operator in the generated code.
+
 2015-07-17  Andre Vehreschild  <vehre@gcc.gnu.org>
 
 	PR fortran/66035

gcc/fortran/trans-intrinsic.c

@@ -8804,7 +8804,7 @@ conv_co_collective (gfc_code *code)
 	}
       opr_flags = build_int_cst (integer_type_node, opr_flag_int);
       gfc_conv_expr (&argse, opr_expr);
-      opr = gfc_build_addr_expr (NULL_TREE, argse.expr);
+      opr = argse.expr;
       fndecl = build_call_expr_loc (input_location, fndecl, 8, array, opr, opr_flags,
 				    image_index, stat, errmsg, strlen, errmsg_len);
     }

gcc/testsuite/ChangeLog

+2015-07-17  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
+
+	* gfortran.dg/co_reduce_1.f90: New file.
+
 2015-07-17  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/66824

gcc/testsuite/gfortran.dg/co_reduce_1.f90

+! { dg-do compile }
+! { dg-additional-options "-fdump-tree-original -fcoarray=lib" }
+!
+! Check that we don't take twice the address of procedure simple_reduction
+! in the generated code.
+!
+! Contributed by Alessandro Fanfarillo <fanfarillo.gcc@gmail.com>
+
+program simple_reduce
+  implicit none
+
+  integer :: me
+
+  me = this_image()
+
+  sync all
+
+  call co_reduce(me,simple_reduction)
+
+  write(*,*) this_image(),me
+
+contains
+  
+  pure function simple_reduction(a,b)
+    integer,intent(in) :: a,b
+    integer :: simple_reduction
+
+    simple_reduction = a * b
+  end function simple_reduction
+
+end program simple_reduce
+
+! { dg-final { scan-tree-dump "_gfortran_caf_co_reduce \\(&desc\\.\\d+,\\s*simple_reduction," "original" } }