textview: clear cached entries before releasing containers

We want to ensure all of the display cache entries are released in the
normal fashion before releasing the structures so that we can maintain
the invariant that cache_iter will always exist while in the cache.

diff --git a/gtk/gtktextlinedisplaycache.c b/gtk/gtktextlinedisplaycache.c
index 6129d787fc7ff739bf6ac2b6fc951fde1386cc5e..267d9f61823a0b0b7272cbc52ebd204e7abc5791 100644 (file)
--- a/gtk/gtktextlinedisplaycache.c
+++ b/gtk/gtktextlinedisplaycache.c
@@ -93,6 +93,8 @@ gtk_text_line_display_cache_free (GtkTextLineDisplayCache *cache)
   g_clear_handle_id (&cache->log_source, g_source_remove);
 #endif
 
+  gtk_text_line_display_cache_invalidate (cache);
+
   g_clear_pointer (&cache->evict_source, g_source_destroy);
   g_clear_pointer (&cache->sorted_by_line, g_sequence_free);
   g_clear_pointer (&cache->line_to_display, g_hash_table_unref);