lua_getinfo("n") crashes if "luac -s" is used

[Tim Gogolin <tgogolin@...>]

(This is on Lua 5.1, work 2, on OSX, gcc 3.3)

What is the expected behavior of lua_getinfo(L, "n", &ar) if the name 
information has been stripped from the lua code via the "luac -s" 
command line compiler?
I had been hoping to merely receive useless or empty strings, but 
instead my program is crashing in lua_getinfo() as auxgetinfo() passes 
NULL as the address of the buffer for getfuncname to write into.
If I don't use the "-s" param, everything is OK. Obviously, I can't 
retrieve lua source for the individual stack frames, but I do get good 
names for the functions, locals, and upvalues for each stack frame.
Does lua_getinfo() have formally undefined behavior in this case (in 
which case, crashing is "acceptable"), or does it have a defined 
behavior (return empty strings for myLua_Debug->name, etc.)
I have screenshots of gdb showing the crash, C Stack, and C locals, but 
I don't know if posting binaries is accepted for this mail list, so I'm 
not attaching them yet.
--
Tim Gogolin