[PATCH] Libvtv-test: Fix the problem that scansarif.exp cannot be found in libvtv regression test.

[Lulu Cheng]

        r13-967 add ARRIF output format. However libvtv does not add support.

        commit 6cf276ddf22066af780335cd0072d2c27aabe468
        Author: David Malcolm <dmalc...@redhat.com>
        Date:   Thu Jun 2 15:40:22 2022 -0400

            diagnostics: add SARIF output format

libvtv/ChangeLog:

        * testsuite/lib/libvtv-dg.exp: Add load_gcc_lib of scansarif.exp.
---
 libvtv/testsuite/lib/libvtv-dg.exp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libvtv/testsuite/lib/libvtv-dg.exp 
b/libvtv/testsuite/lib/libvtv-dg.exp
index b140c194cdc..454d916e556 100644
--- a/libvtv/testsuite/lib/libvtv-dg.exp
+++ b/libvtv/testsuite/lib/libvtv-dg.exp
@@ -12,6 +12,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 
USA.
 
+load_gcc_lib scansarif.exp
+
 proc libvtv-dg-test { prog do_what extra_tool_flags } {
     return [gcc-dg-test-1 libvtv_target_compile $prog $do_what 
$extra_tool_flags]
 }
-- 
2.31.1