testsuite: require dot for diagnostic-test-graphs-html.c [PR123142]

gcc/testsuite/ChangeLog:
	PR diagnostics/123142
	* gcc.dg/plugin/diagnostic-test-graphs-html.c: Add
	dg-require-dot directive.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>

diff --git a/gcc/testsuite/gcc.dg/plugin/diagnostic-test-graphs-html.c b/gcc/testsuite/gcc.dg/plugin/diagnostic-test-graphs-html.c
index 2256a63465f1ccd38ab2705bf9ca349953047896..9af0894310d309a2162bd29b97f2da6dec7fed10 100644 (file)
--- a/gcc/testsuite/gcc.dg/plugin/diagnostic-test-graphs-html.c
+++ b/gcc/testsuite/gcc.dg/plugin/diagnostic-test-graphs-html.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-fdiagnostics-add-output=experimental-html:javascript=no" } */
-
+/* { dg-require-dot "" } */
 extern void here (void);
 
 void test_graphs (void)