Fix bogus Assert, per buildfarm results.

diff --git a/contrib/hstore/hstore_op.c b/contrib/hstore/hstore_op.c
index cfd77d4b358d5552c0e60a66dafd5be670173d7c..a3e8f777f6a7987f7f407549f67fbe973dd40ee2 100644 (file)
--- a/contrib/hstore/hstore_op.c
+++ b/contrib/hstore/hstore_op.c
@@ -1236,8 +1236,10 @@ hstore_hash(PG_FUNCTION_ARGS)
         * but we make it explicit here.
         */
        Assert(VARSIZE(hs) ==
-                  CALCDATASIZE(HS_COUNT(hs),
-                                               HSE_ENDPOS(ARRPTR(hs)[2*HS_COUNT(hs) - 1])));
+                  (HS_COUNT(hs) != 0 ?
+                       CALCDATASIZE(HS_COUNT(hs),
+                                                HSE_ENDPOS(ARRPTR(hs)[2*HS_COUNT(hs) - 1])) :
+                       HSHRDSIZE));
 
        PG_FREE_IF_COPY(hs,0);
        PG_RETURN_DATUM(hval);