c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file debug hook.

	* c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
	debug hook.

From-SVN: r136647

gcc/ChangeLog

+2008-06-10  Tom Tromey  <tromey@redhat.com>
+
+	* c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
+	debug hook.
+
 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
 
 	* dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.

gcc/c-lex.c

@@ -205,10 +205,13 @@ fe_file_change (const struct line_map *new_map)
 	 we already did in compile_file.  */
       if (!MAIN_FILE_P (new_map))
 	{
-	  int included_at = LAST_SOURCE_LINE_LOCATION (new_map - 1);
+	  unsigned int included_at = LAST_SOURCE_LINE_LOCATION (new_map - 1);
+	  int line = 0;
+	  if (included_at > BUILTINS_LOCATION)
+	    line = SOURCE_LINE (new_map - 1, included_at);
 
 	  input_location = new_map->start_location;
-	  (*debug_hooks->start_source_file) (included_at, new_map->to_file);
+	  (*debug_hooks->start_source_file) (line, new_map->to_file);
 #ifndef NO_IMPLICIT_EXTERN_C
 	  if (c_header_level)
 	    ++c_header_level;