Hi RIch!
Using TC13 x86 I've added gcc_libs.tcz to my TC14 onboot.lst.
Booted TC14 x86, was able to connect to wifi network, executed update-everything. It showed that some dep files were updated. Then I've removed gcc_libs from onboot.lst and rebooted.
Still no libatomic, so no wifi, strange mc, another strangenesses, shut it down.
Guys, never use tce-update!
PS: looks like I'm the only user of TC14 x86 (