Fix --help=target (Ada) (PR other/39851)

2017-08-29  Martin Liska  <[email protected]>

	PR other/39851
	* gcc-interface/trans.c (Pragma_to_gnu): Set argument to NULL.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@251406 138bc75d-0d04-0410-961f-82ee72b054a4

Author: marxin

gcc/ada/ChangeLog

@@ -1,3 +1,8 @@
+2017-08-29  Martin Liska  <[email protected]>
+
+	PR other/39851
+	* gcc-interface/trans.c (Pragma_to_gnu): Set argument to NULL.
+
 2017-08-08  Martin Liska  <[email protected]>
 
 	* gcc-interface/trans.c: Include header files.

gcc/ada/gcc-interface/trans.c

@@ -1486,7 +1486,7 @@ Pragma_to_gnu (Node_Id gnat_node)
 	else
 	  option_index = 0;
 
-	set_default_handlers (&handlers);
+	set_default_handlers (&handlers, NULL);
 	control_warning_option (option_index, (int) kind, arg, imply, location,
 				lang_mask, &handlers, &global_options,
 				&global_options_set, global_dc);