merge revision(s) 59748: [Backport #14073]

	st.c: fix num_entries

	* st.c (st_insert2): should manage num_entries when the key is
	  undefined, as well as st_insert().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@61328 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/st.c b/st.c
index c11078a2b8..4bd0d88c15 100644
--- a/st.c
+++ b/st.c
@@ -1182,6 +1182,8 @@ st_insert2(st_table *tab, st_data_t key, st_data_t value,
     if (tab->bins == NULL) {
         bin = find_entry(tab, hash_value, key);
 	new_p = bin == UNDEFINED_ENTRY_IND;
+	if (new_p)
+	    tab->num_entries++;
 	bin_ind = UNDEFINED_BIN_IND;
     } else {
         bin = find_table_bin_ptr_and_reserve(tab, &hash_value,