# HG changeset patch
# User Rik <rik@octave.org>
# Date 1450484321 28800
# Node ID a4f5da7c54636b007796664b82c5fafd22fa897e
# Parent  48b2ad5ee801cbb1a69aa4a9467dd2cfb5d558f9
maint: Replace "octave_value_list ()" with "ovl ()".

* debug.cc, det.cc, ellipj.cc, error.cc, file-io.cc, graphics.cc, hess.cc,
input.cc, inv.cc, load-path.cc, lu.cc, octave-link.cc, pager.cc, pinv.cc,
pr-output.cc, profiler.cc, schur.cc, symtab.cc, sysdep.cc, urlwrite.cc,
variables.cc, __magick_read__.cc, audioread.cc, chol.cc, ov-classdef.h,
ov-cs-list.cc, ov-flt-re-mat.cc, ov-re-mat.cc, ov-usr-fcn.cc:
maint: Replace "octave_value_list ()" with "ovl ()".

diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/debug.cc
--- a/libinterp/corefcn/debug.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/debug.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1404,7 +1404,7 @@
       tree_evaluator::dbstep_flag = 1;
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFALIAS (dbnext, dbstep);
@@ -1426,7 +1426,7 @@
 
   tree_evaluator::reset_debug_state ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (dbquit, args, ,
@@ -1449,7 +1449,7 @@
 
   octave_throw_interrupt_exception ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (isdebugmode, args, ,
@@ -1486,6 +1486,6 @@
 
   tree_evaluator::quiet_breakpoint_flag = state;
 
-  return octave_value_list ();
+  return ovl ();
 }
 
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/det.cc
--- a/libinterp/corefcn/det.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/det.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -77,14 +77,14 @@
 
   int arg_is_empty = empty_arg ("det", nr, nc);
   if (arg_is_empty < 0)
-    return octave_value_list ();
+    return ovl ();
   if (arg_is_empty > 0)
     return octave_value (1.0);
 
   if (nr != nc)
     {
       gripe_square_matrix_required ("det");
-      return octave_value_list ();
+      return ovl ();
     }
 
   octave_value_list retval (2);
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/ellipj.cc
--- a/libinterp/corefcn/ellipj.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/ellipj.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -284,7 +284,7 @@
         }
     }  // m matrix
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/error.cc
--- a/libinterp/corefcn/error.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/error.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1988,7 +1988,7 @@
   if (nargin == 0 || nargout > 0)
     return ovl (prev_error_message, prev_error_id);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 DEFUN (lastwarn, args, nargout,
@@ -2031,7 +2031,7 @@
   if (nargin == 0 || nargout > 0)
     return ovl (prev_warning_message, prev_warning_id);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 /* FIXME: Deprecated in 4.0 and scheduled for removal in 4.4 */
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/file-io.cc
--- a/libinterp/corefcn/file-io.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/file-io.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -267,7 +267,7 @@
 
   os.clearerr ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (fflush, args, ,
@@ -424,7 +424,7 @@
   if (! err)
     return ovl (tmp);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 
@@ -711,7 +711,7 @@
   if (nargout > 0)
     return ovl (result);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 DEFUN (fseek, args, ,
@@ -818,7 +818,7 @@
   if (nargout > 0)
     return octave_value (result);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 DEFUN (printf, args, nargout,
@@ -866,7 +866,7 @@
   if (nargout > 0)
     return ovl (result);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 DEFUN (fputs, args, ,
@@ -1926,7 +1926,7 @@
   if (status >= 0)
     return ovl (status);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 static octave_value
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/graphics.cc
--- a/libinterp/corefcn/graphics.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/graphics.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -10119,7 +10119,7 @@
   else if (vals_len == 1)
     return octave_value (vals(0));
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 static octave_value
@@ -10488,7 +10488,7 @@
 
   delete_graphics_objects (vals);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__go_axes_init__, args, ,
@@ -10525,7 +10525,7 @@
   if (! h.ok ())
     error ("__go_axes_init__: axis deleted during initialization (= %g)", val);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__go_handles__, args, ,
@@ -10586,7 +10586,7 @@
   else
     gh_manager::execute_callback (h, name, args(2));
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__image_pixel_size__, args, ,
@@ -10731,7 +10731,7 @@
 
   gtk_manager::register_toolkit (name);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (loaded_graphics_toolkits, , ,
@@ -10821,7 +10821,7 @@
 
                   gh_manager::unlock ();
 
-                  return octave_value_list ();
+                  return ovl ();
                 }
             }
 
@@ -10853,7 +10853,7 @@
 
               gh_manager::unlock ();
 
-              return octave_value_list ();
+              return ovl ();
             }
           else if (pos_c == std::string::npos)
             {
@@ -10861,7 +10861,7 @@
 
               gh_manager::unlock ();
 
-              return octave_value_list ();
+              return ovl ();
             }
           else if (pos_p != std::string::npos && pos_p < pos_c)
             {
@@ -10885,7 +10885,7 @@
 
                       gh_manager::unlock ();
 
-                      return octave_value_list ();
+                      return ovl ();
                     }
                 }
             }
@@ -10922,7 +10922,7 @@
 
   gh_manager::unlock ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (addlistener, args, ,
@@ -10987,7 +10987,7 @@
         go.add_property_listener (pname, args(2), PERSISTENT);
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (dellistener, args, ,
@@ -11050,7 +11050,7 @@
         go.delete_property_listener (pname, args(2), POSTSET);
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (addproperty, args, ,
@@ -11153,7 +11153,7 @@
 
   go.get_properties ().insert_property (name, p);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 octave_value
@@ -11285,7 +11285,7 @@
         waitfor_results[id] = true;
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 static octave_value_list
@@ -11298,7 +11298,7 @@
       waitfor_results[id] = true;
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (waitfor, args, ,
@@ -11535,7 +11535,7 @@
         }
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__zoom__, args, ,
@@ -11589,6 +11589,6 @@
       Vdrawnow_requested = true;
     }
 
-  return octave_value_list ();
-}
-
+  return ovl ();
+}
+
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/hess.cc
--- a/libinterp/corefcn/hess.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/hess.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -75,14 +75,14 @@
   int arg_is_empty = empty_arg ("hess", nr, nc);
 
   if (arg_is_empty < 0)
-    return octave_value_list ();
+    return ovl ();
   else if (arg_is_empty > 0)
     return octave_value_list (2, Matrix ());
 
   if (nr != nc)
     {
       gripe_square_matrix_required ("hess");
-      return octave_value_list ();
+      return ovl ();
     }
 
   octave_value_list retval;
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/input.cc
--- a/libinterp/corefcn/input.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/input.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -931,7 +931,7 @@
 
   do_keyboard (args);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (echo, args, ,
@@ -1015,7 +1015,7 @@
       break;
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*
@@ -1185,7 +1185,7 @@
       command_editor::read_init_file (file);
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (readline_re_read_init_file, args, ,
@@ -1203,7 +1203,7 @@
 
   command_editor::re_read_init_file ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 static int
@@ -1288,7 +1288,7 @@
   if (input_event_hook_functions.empty ())
     command_editor::remove_event_hook (internal_input_event_hook_fcn);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (PS1, args, nargout,
@@ -1444,7 +1444,7 @@
   else
     Vdrawnow_requested = args(0).bool_value ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__gud_mode__, args, ,
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/inv.cc
--- a/libinterp/corefcn/inv.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/inv.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -69,14 +69,14 @@
   int arg_is_empty = empty_arg ("inverse", nr, nc);
 
   if (arg_is_empty < 0)
-    return octave_value_list ();
+    return ovl ();
   else if (arg_is_empty > 0)
     return octave_value (Matrix ());
 
   if (nr != nc)
     {
       gripe_square_matrix_required ("inverse");
-      return octave_value_list ();
+      return ovl ();
     }
 
   octave_value result;
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/load-path.cc
--- a/libinterp/corefcn/load-path.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/load-path.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -2545,5 +2545,5 @@
 {
   load_path::display (octave_stdout);
 
-  return octave_value_list ();
+  return ovl ();
 }
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/lu.cc
--- a/libinterp/corefcn/lu.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/lu.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -195,7 +195,7 @@
   if (issparse)
     {
       if (arg_is_empty < 0)
-        return octave_value_list ();
+        return ovl ();
       else if (arg_is_empty > 0)
         return octave_value_list (5, SparseMatrix ());
 
@@ -335,7 +335,7 @@
   else
     {
       if (arg_is_empty < 0)
-        return octave_value_list ();
+        return ovl ();
       else if (arg_is_empty > 0)
         return octave_value_list (3, Matrix ());
 
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/octave-link.cc
--- a/libinterp/corefcn/octave-link.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/octave-link.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -195,7 +195,7 @@
 @end deftypefn")
 {
   if (args.length () != 6)
-    return octave_value_list ();
+    return ovl ();
 
   octave_value_list retval (3);
 
@@ -265,7 +265,7 @@
 @end deftypefn")
 {
   if (args.length () != 8)
-    return octave_value_list ();
+    return ovl ();
 
   Cell list = args(0).cell_value ();
   const Array<std::string> tlist = list.cellstr_value ();
@@ -323,7 +323,7 @@
 @end deftypefn")
 {
   if (args.length () != 4)
-    return octave_value_list ();
+    return ovl ();
 
   Cell prompt = args(0).cell_value ();
   Array<std::string> tmp = prompt.cellstr_value ();
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/pager.cc
--- a/libinterp/corefcn/pager.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/pager.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -574,7 +574,7 @@
         }
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__diaryfile__, , ,
@@ -627,7 +627,7 @@
   else
     Vpage_screen_output = ! Vpage_screen_output;
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (terminal_size, , ,
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/pinv.cc
--- a/libinterp/corefcn/pinv.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/pinv.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -64,7 +64,7 @@
   int arg_is_empty = empty_arg ("pinv", arg.rows (), arg.columns ());
 
   if (arg_is_empty < 0)
-    return octave_value_list ();
+    return ovl ();
   else if (arg_is_empty > 0)
     return octave_value (Matrix ());
 
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/pr-output.cc
--- a/libinterp/corefcn/pr-output.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/pr-output.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -3556,7 +3556,7 @@
   else
     error ("fdisp: stream FID not open for writing");
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*
@@ -4031,7 +4031,7 @@
 
   set_format_style (argc, argv);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__compactformat__, args, nargout,
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/profiler.cc
--- a/libinterp/corefcn/profiler.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/profiler.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -421,7 +421,7 @@
 
   profiler.reset ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 // Query the timings collected by the profiler.
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/schur.cc
--- a/libinterp/corefcn/schur.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/schur.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -159,7 +159,7 @@
         {
           warning ("schur: incorrect ordered schur argument '%s'",
                    ord.c_str ());
-          return octave_value_list ();
+          return ovl ();
         }
     }
 
@@ -169,7 +169,7 @@
   if (nr != nc)
     {
       gripe_square_matrix_required ("schur");
-      return octave_value_list ();
+      return ovl ();
     }
 
   octave_value_list retval;
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/symtab.cc
--- a/libinterp/corefcn/symtab.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/symtab.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1847,7 +1847,7 @@
 
   symbol_table::assign (name, args(1));
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (variable_value, args, , "VALUE = variable_value (NAME)")
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/sysdep.cc
--- a/libinterp/corefcn/sysdep.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/sysdep.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -590,7 +590,7 @@
 
   command_editor::clear_screen (skip_redisplay);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFALIAS (home, clc);
@@ -733,7 +733,7 @@
       retval = s;
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (pause, args, ,
@@ -800,7 +800,7 @@
       octave_kbhit ();
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/urlwrite.cc
--- a/libinterp/corefcn/urlwrite.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/urlwrite.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -559,7 +559,7 @@
 
   curl.cwd (path);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_dir__, args, nargout,
@@ -650,7 +650,7 @@
 
   curl.ascii ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_binary__, args, ,
@@ -669,7 +669,7 @@
 
   curl.binary ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_close__, args, ,
@@ -688,7 +688,7 @@
 
   ch_manager::free (h);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_mode__, args, ,
@@ -728,7 +728,7 @@
 
   curl.del (file);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_rmdir__, args, ,
@@ -751,7 +751,7 @@
 
   curl.rmdir (dir);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_mkdir__, args, ,
@@ -772,7 +772,7 @@
 
   curl.mkdir (dir);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_rename__, args, ,
@@ -794,7 +794,7 @@
 
   curl.rename (oldname, newname);
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (__ftp_mput__, args, nargout,
@@ -856,7 +856,7 @@
   if (nargout > 0)
     return ovl (file_list);
   else
-    return octave_value_list ();
+    return ovl ();
 }
 
 DEFUN (__ftp_mget__, args, ,
@@ -930,5 +930,5 @@
   if (n == 0)
     error ("__ftp_mget__: file not found");
 
-  return octave_value_list ();
+  return ovl ();
 }
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/corefcn/variables.cc
--- a/libinterp/corefcn/variables.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/corefcn/variables.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1992,7 +1992,7 @@
 
     fcn->lock ();
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (munlock, args, ,
@@ -2026,7 +2026,7 @@
       fcn->unlock ();
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 
@@ -2484,7 +2484,7 @@
         }
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 DEFUN (whos_line_format, args, nargout,
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/dldfcn/__magick_read__.cc
--- a/libinterp/dldfcn/__magick_read__.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/dldfcn/__magick_read__.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1537,7 +1537,7 @@
 
   write_file (filename, ext, imvec);
 
-  return octave_value_list ();
+  return ovl ();
 
 #else
   gripe_disabled_feature ("imwrite", "Image IO");
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/dldfcn/audioread.cc
--- a/libinterp/dldfcn/audioread.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/dldfcn/audioread.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -277,7 +277,7 @@
   else if (args(1).is_integer_type ())
     {
       gripe_wrong_type_arg ("audiowrite", args(1));
-      return octave_value_list ();
+      return ovl ();
     }
 
   Matrix audio = args(1).matrix_value ();
@@ -416,7 +416,7 @@
 
   // FIXME: shouldn't we return something to indicate whether the file
   // was written successfully?
-  return octave_value_list ();
+  return ovl ();
 
 #else
 
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/dldfcn/chol.cc
--- a/libinterp/dldfcn/chol.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/dldfcn/chol.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -180,7 +180,7 @@
   int arg_is_empty = empty_arg ("chol", nr, nc);
 
   if (arg_is_empty < 0)
-    return octave_value_list ();
+    return ovl ();
   if (arg_is_empty > 0)
     return octave_value (Matrix ());
 
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/octave-value/ov-classdef.h
--- a/libinterp/octave-value/ov-classdef.h	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/octave-value/ov-classdef.h	Fri Dec 18 16:18:41 2015 -0800
@@ -111,7 +111,7 @@
            int, size_t&, const cdef_class&, bool)
   {
     gripe_invalid_object ("subsref");
-    return octave_value_list ();
+    return ovl ();
   }
 
   virtual octave_value
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/octave-value/ov-cs-list.cc
--- a/libinterp/octave-value/ov-cs-list.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/octave-value/ov-cs-list.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -56,6 +56,6 @@
                          const std::list<octave_value_list>&, int)
 {
   gripe_indexed_cs_list ();
-  return octave_value_list ();
+  return ovl ();
 }
 
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/octave-value/ov-flt-re-mat.cc
--- a/libinterp/octave-value/ov-flt-re-mat.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/octave-value/ov-flt-re-mat.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -895,7 +895,7 @@
                               octave_float_scalar);
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/octave-value/ov-re-mat.cc
--- a/libinterp/octave-value/ov-re-mat.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/octave-value/ov-re-mat.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1030,7 +1030,7 @@
       OCTAVE_TYPE_CONV_BODY3 (double, octave_matrix, octave_scalar);
     }
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*
diff -r 48b2ad5ee801 -r a4f5da7c5463 libinterp/octave-value/ov-usr-fcn.cc
--- a/libinterp/octave-value/ov-usr-fcn.cc	Fri Dec 18 16:04:56 2015 -0800
+++ b/libinterp/octave-value/ov-usr-fcn.cc	Fri Dec 18 16:18:41 2015 -0800
@@ -1080,7 +1080,7 @@
   else
     gripe_wrong_type_arg ("isargout", args(0));
 
-  return octave_value_list ();
+  return ovl ();
 }
 
 /*