GC_heap_lengths  1746 gc/os_dep.c    	if (((word)(-(signed_word)GC_heap_lengths[i])
GC_heap_lengths  1749 gc/os_dep.c    	    result = GC_heap_bases[i] + GC_heap_lengths[i];
GC_heap_lengths  1770 gc/os_dep.c    	GC_heap_lengths[GC_n_heap_bases] = 0;
GC_heap_lengths  1780 gc/os_dep.c    	GC_heap_lengths[i] += bytes;