Fix function signature in header file.

2018-06-08  Martin Liska  <mliska@suse.cz>

	* tree-cfg.h (debug_function): Fix argument type to match
        implementation.

From-SVN: r261327

gcc/ChangeLog

 2018-06-08  Martin Liska  <mliska@suse.cz>
 
+	* tree-cfg.h (debug_function): Fix argument type to match
+        implementation.
+
+2018-06-08  Martin Liska  <mliska@suse.cz>
+
 	* config/powerpcspe/powerpcspe.c (rs6000_xcoff_visibility):
         Remove usage of MPX-related (and removed) fields.
 	* config/rs6000/rs6000.c (rs6000_xcoff_visibility): Likewise.

gcc/tree-cfg.h

@@ -81,7 +81,7 @@ extern void fold_loop_internal_call (gimple *, tree);
 extern basic_block move_sese_region_to_fn (struct function *, basic_block,
 				           basic_block, tree);
 extern void dump_function_to_file (tree, FILE *, dump_flags_t);
-extern void debug_function (tree, int) ;
+extern void debug_function (tree, dump_flags_t);
 extern void print_loops_bb (FILE *, basic_block, int, int);
 extern void print_loops (FILE *, int);
 extern void debug (struct loop &ref);