Comment 2 for bug 1834583

StacktraceTop:
 g_private_get (key=key@entry=0x7fc92a3df440 <private_thread_memory>) at ../../../glib/gthread-posix.c:1062
 thread_memory_from_self () at ../../../glib/gslice.c:1185
 g_slice_free_chain_with_offset (mem_size=24, mem_chain=0x0, next_offset=8) at ../../../glib/gslice.c:1185
 g_list_free (list=<optimized out>) at ../../../glib/glist.c:182
 stack_do_window_deletions (stack=stack@entry=0x55c3f44b73b0, stack=stack@entry=0x55c3f44b73b0) at ../src/core/stack.c:820