Do not pdump user-defined hashtabs

* src/pdumper.c (dump_hash_table_stable_p):
Signal an error if a hash table has user-defined tests (Bug#36769).
* src/fns.c (hashfn_user_defined): Now extern.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fns.c b/src/fns.c
index 8eefa7c72b2..734a2e253c7 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -4017,7 +4017,7 @@ hashfn_eql (Lisp_Object key, struct Lisp_Hash_Table *h)
 /* Given HT, return a hash code for KEY which uses a user-defined
    function to compare keys.  */
 
-static Lisp_Object
+Lisp_Object
 hashfn_user_defined (Lisp_Object key, struct Lisp_Hash_Table *h)
 {
   Lisp_Object args[] = { h->test.user_hash_function, key };