st.c: remove equality checks

* st.c (st_update): remove equality checks, callers should ensure
  the equality, otherwise the behavior is undefined.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46723 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 12 deletions

diff --git a/st.c b/st.c
index 117f582703..4c6e5092b2 100644
--- a/st.c
+++ b/st.c
@@ -843,16 +843,10 @@ st_update(st_table *table, st_data_t key, st_update_callback_func *func, st_data
 	    switch (retval) {
 	      case ST_CONTINUE:
 		if (!existing) {
-		    if (key != old_key) hash_val = do_hash(key, table);
 		    add_packed_direct(table, key, value, hash_val);
 		    break;
 		}
-		if (old_key != PKEY(table, i)) return -1;
 		if (old_key != key) {
-		    if (do_hash(key, table) != hash_val &&
-			!EQUAL(table, key, old_key)) {
-			return -1;
-		    }
 		    PKEY(table, i) = key;
 		}
 		PVAL_SET(table, i, value);
@@ -879,16 +873,10 @@ st_update(st_table *table, st_data_t key, st_update_callback_func *func, st_data
 	switch (retval) {
 	  case ST_CONTINUE:
 	    if (!existing) {
-		if (key != old_key) hash_val = do_hash(key, table);
 		add_direct(table, key, value, hash_val, hash_pos(hash_val, table->num_bins));
 		break;
 	    }
-	    if (old_key != ptr->key) return -1;
 	    if (old_key != key) {
-		if (do_hash(key, table) != hash_val &&
-		    !EQUAL(table, key, old_key)) {
-		    return -1;
-		}
 		ptr->key = key;
 	    }
 	    ptr->record = value;