2 files changed, 20 insertions, 2 deletions
diff --git a/testsuite/buildok/twentyfour.stp b/testsuite/buildok/twentyfour.stp
new file mode 100755
index 00000000..a889fe56
--- /dev/null
+++ b/testsuite/buildok/twentyfour.stp
@@ -0,0 +1,14 @@
+#! stap -gp4
+
+# If the optimizer is working, this function will get elided,
+# and thus will compile successfully.
+
+function pure() %{  /* pure */
+#error "should have been elided"
+%}
+
+
+probe begin
+{
+	pure ()
+}
diff --git a/testsuite/parseok/unparser.stp b/testsuite/parseok/unparser.stp
index 710c4636..b5deb146 100755
--- a/testsuite/parseok/unparser.stp
+++ b/testsuite/parseok/unparser.stp
@@ -14,8 +14,12 @@ do
    do
       if head -1 $file | grep -q stap
       then
-	  echo $file
-          ./stap -p1 $file | ./stap -p1 - > /dev/null
+	  if head -1 $file | fgrep -q -- g  # guru mode
+	  then guru=-g
+	  else guru=
+	  fi
+	  echo $file $guru
+          ./stap $guru -p1 $file | ./stap $guru -p1 - > /dev/null
       fi
    done
 done