This is for DMD64 D Compiler v2.076.1
Also, I tried compiling with ldc2 version 1.2.0 (based on dmd 2.072.2) and get the following errors:
Performing "debug" build using ldc2 for x86_64.
gtk-d:gtkd 3.7.0: building configuration "library"...
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(231,43): Error: template instance hasStaticMember!(RT, "getType") template 'hasStaticMember' is not defined
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(242,11): Error: cannot create instance of interface IconIF
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gio/IconT.d(99,37): Error: template instance gobject.ObjectG.ObjectG.getDObject!(IconIF, IconIF, GIcon*) error instantiating
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(231,43): Error: template instance hasStaticMember!(RT, "getType") template 'hasStaticMember' is not defined
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(242,11): Error: cannot create instance of interface AppInfoIF
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gio/AppLaunchContext.d(315,45): Error: template instance gobject.ObjectG.ObjectG.getDObject!(AppInfoIF, AppInfoIF, GAppInfo*) error instantiating
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(231,43): Error: template instance hasStaticMember!(RT, "getType") template 'hasStaticMember' is not defined
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(242,11): Error: cannot create instance of interface ActionIF
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gio/ActionMapT.d(147,39): Error: template instance gobject.ObjectG.ObjectG.getDObject!(ActionIF, ActionIF, GAction*) error instantiating
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(231,43): Error: template instance hasStaticMember!(RT, "getType") template 'hasStaticMember' is not defined
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(242,11): Error: cannot create instance of interface FileIF
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gio/ApplicationCommandLine.d(253,37): Error: template instance gobject.ObjectG.ObjectG.getDObject!(FileIF, FileIF, GFile*) error instantiating
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(231,43): Error: template instance hasStaticMember!(RT, "getType") template 'hasStaticMember' is not defined
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(242,11): Error: cannot create instance of interface ConverterIF
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gio/ConverterInputStream.d(123,42): Error: template instance gobject.ObjectG.ObjectG.getDObject!(ConverterIF, ConverterIF, GConverter*) error instantiating
../../../.dub/packages/gtk-d-3.7.0/gtk-d/generated/gtkd/gobject/ObjectG.d(231,43): Error: template instance hasStaticMember!(RT, "getType") template 'hasStaticMember' is not defined
ldc2 failed with exit code 1.