VECTOR_IN_BLOCK  3437 src/alloc.c    	   VECTOR_IN_BLOCK (vector, block); vector = next)
VECTOR_IN_BLOCK  3463 src/alloc.c    	      while (VECTOR_IN_BLOCK (next, block) && !vector_marked_p (next));
VECTOR_IN_BLOCK  3468 src/alloc.c    		  && !VECTOR_IN_BLOCK (next, block))
VECTOR_IN_BLOCK  5040 src/alloc.c      while (VECTOR_IN_BLOCK (vector, block) && vector <= vp)