[gtk/wip/ebassi/constraint-layout: 99/105] constraints solver: Avoid critials

[Emmanuele Bassi <ebassi src gnome org>]

commit f07ba4ac5b1911d56cf2bb4939cc2a434ac237c0
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jun 27 01:43:47 2019 +0000

    constraints solver: Avoid critials
    
    When the solver is finalized with existing
    constraints, we end up with criticals when
    the constraints ref finalize code calls
    back into the hash table. Avoid that by
    emptying the hash table beforehand.

 gtk/gtkconstraintsolver.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtkconstraintsolver.c b/gtk/gtkconstraintsolver.c
index 0441ca5e95..22fa0111a4 100644
--- a/gtk/gtkconstraintsolver.c
+++ b/gtk/gtkconstraintsolver.c
@@ -265,6 +265,7 @@ gtk_constraint_solver_finalize (GObject *gobject)
 {
   GtkConstraintSolver *self = GTK_CONSTRAINT_SOLVER (gobject);
 
+  g_hash_table_remove_all (self->constraints);
   g_clear_pointer (&self->constraints, g_hash_table_unref);
 
   g_clear_pointer (&self->stay_error_vars, g_ptr_array_unref);