Bug# 56982 Assertion Failure from ha_innobase::innobase_peek_autoinc() when auto_inc > 0

Print an error message to stderr an get rid of the assertion.

Approved by: Jimmy Yang (over IM)

storage/innodb_plugin/handler/ha_innodb.cc

@@ -9389,7 +9389,11 @@ ha_innobase::innobase_peek_autoinc(void)
 
 	auto_inc = dict_table_autoinc_read(innodb_table);
 
-	ut_a(auto_inc > 0);
+	if (auto_inc == 0) {
+		ut_print_timestamp(stderr);
+		fprintf(stderr, "  InnoDB: AUTOINC next value generation "
+			"is disabled for '%s'\n", innodb_table->name);
+	}
 
 	dict_table_autoinc_unlock(innodb_table);