XCONS_MARKED_P   2910 src/alloc.c      eassert (!XCONS_MARKED_P (XCONS (val)));
XCONS_MARKED_P   4229 src/alloc.c        : XCONS_MARKED_P (c);
XCONS_MARKED_P   7500 src/alloc.c    		  if (!XCONS_MARKED_P (acons))