[gtk/wip/ebassi/constraint-layout: 21/69] constraints solver: Avoid critials

[Emmanuele Bassi <ebassi src gnome org>]

commit a246d8c926689f2822cd6ebbf64cd9ca0d510477
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);