[gimp/gimp-2-8] Bug 733839 - Crashes on scaling a layer with mask within a group

[Michael Natterer <mitch src gnome org>]

commit a01856d82066446b8b85ec9bfba2e104d52cc5a4
Author: Michael Natterer <mitch gimp org>
Date:   Sun Nov 30 23:45:46 2014 +0100

    Bug 733839 - Crashes on scaling a layer with mask within a group
    
    gimp_layer_scale(): scale the mask first, so group layer projection
    updating doesn't run into wrong tile manager sizes at the wrong
    time.

 app/core/gimplayer.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/app/core/gimplayer.c b/app/core/gimplayer.c
index 7e9aab3..3251add 100644
--- a/app/core/gimplayer.c
+++ b/app/core/gimplayer.c
@@ -692,15 +692,16 @@ gimp_layer_scale (GimpItem              *item,
 {
   GimpLayer *layer = GIMP_LAYER (item);
 
-  GIMP_ITEM_CLASS (parent_class)->scale (item, new_width, new_height,
-                                         new_offset_x, new_offset_y,
-                                         interpolation_type, progress);
-
+  /* scale mask first, see bug 733839 */
   if (layer->mask)
     gimp_item_scale (GIMP_ITEM (layer->mask),
                      new_width, new_height,
                      new_offset_x, new_offset_y,
                      interpolation_type, progress);
+
+  GIMP_ITEM_CLASS (parent_class)->scale (item, new_width, new_height,
+                                         new_offset_x, new_offset_y,
+                                         interpolation_type, progress);
 }
 
 static void