[gtk/matthiasc/for-master: 3/5] imcontext: Add a precondition check

[Matthias Clasen <matthiasc src gnome org>]

commit e39b5c99f1592b792206fb3b5da857b0ed41855a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Feb 1 00:43:44 2021 -0500

    imcontext: Add a precondition check

 gtk/gtkimcontextsimple.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtkimcontextsimple.c b/gtk/gtkimcontextsimple.c
index 21db7d04b3..76afa8c1ee 100644
--- a/gtk/gtkimcontextsimple.c
+++ b/gtk/gtkimcontextsimple.c
@@ -1320,6 +1320,7 @@ gtk_im_context_simple_add_table (GtkIMContextSimple *context_simple,
                                 int                 n_seqs)
 {
   g_return_if_fail (GTK_IS_IM_CONTEXT_SIMPLE (context_simple));
+  g_return_if_fail (max_seq_len <= GTK_MAX_COMPOSE_LEN);
 
   G_LOCK (global_tables);