From b21bb316bde66042fc8437513776913774abbf95 Mon Sep 17 00:00:00 2001
From: Robert Ancell <robert.ancell@canonical.com>
Date: Thu, 8 Jun 2017 11:29:09 +1200
Subject: [PATCH] iconhelper: Show error if fail to load placeholder icon

---
 gtk/gtkiconhelper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gtk/gtkiconhelper.c b/gtk/gtkiconhelper.c
index 7ef33ae300..f6e3e2956a 100644
--- a/gtk/gtkiconhelper.c
+++ b/gtk/gtkiconhelper.c
@@ -483,13 +483,15 @@ ensure_surface_for_gicon (GtkIconHelper    *self,
 
   if (destination == NULL)
     {
+      GError *error = NULL;
       destination = gtk_icon_theme_load_icon (icon_theme,
                                               "image-missing",
                                               width,
                                               flags | GTK_ICON_LOOKUP_USE_BUILTIN | GTK_ICON_LOOKUP_GENERIC_FALLBACK,
-                                              NULL);
+                                              &error);
       /* We include this image as resource, so we always have it available or
        * the icontheme code is broken */
+      g_assert_no_error (error);
       g_assert (destination);
       symbolic = FALSE;
     }