black2gray       1916 host/minilua.c black2gray(o);
black2gray       1932 host/minilua.c black2gray(o);
black2gray       2207 host/minilua.c black2gray(o);
black2gray        315 lj_gc.c              black2gray(o);  /* Keep weak tables gray. */
black2gray        331 lj_gc.c            black2gray(o);  /* Threads are never black. */
black2gray         86 lj_gc.h          black2gray(o);