Try to fix compiler warnings.

Per report from Peter Geoghegan.

Discussion: http://postgr.es/m/CAH2-WznpwULZ3uJ1_6WXvNMXYbOy8k8tYs3r=qSdGmZeRd6tDw@mail.gmail.com

diff --git a/src/bin/pg_amcheck/pg_amcheck.c b/src/bin/pg_amcheck/pg_amcheck.c
index fc624cd3dbc09fa2808e8ca47508d6ecbea34f09..bbad22e7a1562cc077240549816a4ed33fcbc1e9 100644 (file)
--- a/src/bin/pg_amcheck/pg_amcheck.c
+++ b/src/bin/pg_amcheck/pg_amcheck.c
@@ -1643,6 +1643,8 @@ compile_database_list(PGconn *conn, SimplePtrList *databases,
        }
        else
        {
+           DatabaseInfo *dat;
+
            /* Current record pertains to a database */
            Assert(datname != NULL);
 
@@ -1650,12 +1652,11 @@ compile_database_list(PGconn *conn, SimplePtrList *databases,
            if (initial_dbname != NULL && strcmp(initial_dbname, datname) == 0)
                continue;
 
-           DatabaseInfo *dat = (DatabaseInfo *) pg_malloc0(sizeof(DatabaseInfo));
-
            /* This database is included.  Add to list */
            if (opts.verbose)
                pg_log_info("including database: \"%s\"", datname);
 
+           dat = (DatabaseInfo *) pg_malloc0(sizeof(DatabaseInfo));
            dat->datname = pstrdup(datname);
            simple_ptr_list_append(databases, dat);
        }
@@ -2057,7 +2058,7 @@ compile_relation_list_one_db(PGconn *conn, SimplePtrList *relations,
    {
        int         pattern_id = -1;
        bool        is_heap = false;
-       bool        is_btree = false;
+       bool        is_btree = false PG_USED_FOR_ASSERTS_ONLY;
        Oid         oid = InvalidOid;
        const char *nspname = NULL;
        const char *relname = NULL;