runtests: add suppression generator help

Leave the valgrind --gen-suppressions option in there, commented, to
make it easier for next update.

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/runtests.pl b/tests/runtests.pl
index c29aeaf52..44b22d75c 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -3368,6 +3368,7 @@ sub singletest {
             $valgrindcmd .= "$valgrind_tool " if($valgrind_tool);
             $valgrindcmd .= "--leak-check=yes ";
             $valgrindcmd .= "--suppressions=$srcdir/valgrind.supp ";
+           # $valgrindcmd .= "--gen-suppressions=all ";
             $valgrindcmd .= "--num-callers=16 ";
             $valgrindcmd .= "${valgrind_logfile}=$LOGDIR/valgrind$testnum";
             $CMDLINE = "$valgrindcmd $CMDLINE";