#0  0x00005574d6b0321c in read_buffer (source=0x5574d8861690) at glade-previewer-main.c:197
        buffer = <optimized out>
        token = 0x0
        tmp = <optimized out>
        error = 0x0
        buffer = <optimized out>
        token = <optimized out>
        tmp = <optimized out>
        error = <optimized out>
#1  on_data_incoming (source=0x5574d8861690, condition=G_IO_HUP, data=0x5574d8661360) at glade-previewer-main.c:218
        app = 0x5574d8661360
        new_widget = <optimized out>
        buffer = <optimized out>
#2  0x00007f49f35290f5 in g_main_dispatch (context=0x5574d8698090) at ../../../../glib/gmain.c:3177
        dispatch = 0x7f49f356f1d0 <g_io_unix_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x5574d8661360
        callback = 0x5574d6b03000 <on_data_incoming>
        cb_funcs = 0x7f49f37f1280 <g_source_callback_funcs>
        cb_data = 0x5574d897c7d0
        need_destroy = <optimized out>
        source = 0x5574d8776530
        current = 0x5574d86da470
        i = 0
        current = <optimized out>
        i = <optimized out>
        source = <optimized out>
        _g_boolean_var_ = <optimized out>
        was_in_call = <optimized out>
        user_data = <optimized out>
        callback = <optimized out>
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        dispatch = <optimized out>
        prev_source = <optimized out>
        _g_boolean_var_ = <optimized out>
#3  g_main_context_dispatch (context=context@entry=0x5574d8698090) at ../../../../glib/gmain.c:3830
No locals.
#4  0x00007f49f35294c0 in g_main_context_iterate (context=0x5574d8698090, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 4
        fds = 0x5574d8923fd0
#5  0x00007f49f35297d2 in g_main_loop_run (loop=0x5574d87765d0) at ../../../../glib/gmain.c:4099
        self = <optimized out>
        __func__ = "g_main_loop_run"
#6  0x00007f49f4849555 in gtk_main () at ../../../../gtk/gtkmain.c:1323
        loop = 0x5574d87765d0
#7  0x00005574d6b02aa8 in main (argc=<optimized out>, argv=<optimized out>) at glade-previewer-main.c:376
        input = <optimized out>
        app = <optimized out>
        context = <optimized out>
        error = 0x0
        toplevel = 0x0