lto-streamer-in.c (input_bb): Do not find referenced vars in debug statements.

2011-02-24  Richard Guenther  <rguenther@suse.de>

	* lto-streamer-in.c (input_bb): Do not find referenced vars
	in debug statements.

From-SVN: r170465

gcc/ChangeLog

+2011-02-24  Richard Guenther  <rguenther@suse.de>
+
+	* lto-streamer-in.c (input_bb): Do not find referenced vars
+	in debug statements.
+
 2011-02-23  Jason Merrill  <jason@redhat.com>
 
 	* common.opt (fabi-version): Document v5 and v6.

gcc/lto-streamer-in.c

@@ -1097,8 +1097,8 @@ input_bb (struct lto_input_block *ib, enum LTO_tags tag,
   while (tag)
     {
       gimple stmt = input_gimple_stmt (ib, data_in, fn, tag);
-
-      find_referenced_vars_in (stmt);
+      if (!is_gimple_debug (stmt))
+	find_referenced_vars_in (stmt);
       gsi_insert_after (&bsi, stmt, GSI_NEW_STMT);
 
       /* After the statement, expect a 0 delimiter or the EH region