luaE_setdebt
luaE_setdebt(g, 0);
luaE_setdebt(g, debt);
luaE_setdebt(g, debt);
else luaE_setdebt(g, -GCSTEPSIZE); /* avoid being called too often */
luaE_setdebt(g, debt);
LUAI_FUNC void luaE_setdebt (global_State *g, l_mem debt);