Comment 2 for bug 983193

StacktraceTop:
 _int_malloc (av=0x7ffaa8000020, bytes=72) at malloc.c:3498
 __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3274
 g_malloc0 (n_bytes=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmem.c:189
 g_type_iface_meta_marshal (closure=<optimized out>, return_value=<optimized out>, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:1026
 g_cclosure_new (callback_func=0x3, user_data=0x48, destroy_data=0x7ffaa80000b800) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:912