discard_index    3918 builtin/apply.c 	discard_index(&result);
discard_index     341 cache.h        #define discard_cache() discard_index(&the_index)
discard_index     521 cache.h        extern int discard_index(struct index_state *);
discard_index    1633 read-cache.c   		discard_index(split_index->base);
discard_index     290 split-index.c  		discard_index(si->base);
discard_index     625 unpack-trees.c 	discard_index(&o->result);
discard_index    1173 unpack-trees.c 		discard_index(o->dst_index);
discard_index    1176 unpack-trees.c 		discard_index(&o->result);