From bddc524cd84b76d1c25c7700eca9d3a25db30cf6 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Sat, 10 Oct 2015 23:21:45 +0200
Subject: stylecontext: Make sure style is valid when looking up style
 properties

Otherwise, the validation may happen vey automatically some time during
the style property and that will most likely cause a crash.

https://bugzilla.gnome.org/show_bug.cgi?id=756338
---
 gtk/gtkstylecontext.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 0217d55..5d059a0 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -1557,6 +1557,9 @@ _gtk_style_context_peek_style_property (GtkStyleContext *context,
 
   priv = context->priv;
 
+  /* ensure the style cache is valid by forcing a validation */
+  gtk_style_context_lookup_style (context);
+
   key.widget_type = widget_type;
   key.pspec = pspec;
 
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