[svn r252] added warnings about using an up to date runtime

tests/README

@@ -1,4 +1,4 @@
-Use
+After making sure llvmdc and its runtime are up to date, use
 ./runtest tmp-sensible-name
 to run tests for llvmdc.
 Move into reference/ subfolder and add to svn if desired.

tests/runtest

@@ -32,6 +32,8 @@ sed -e 's/crashRun 30 1000/crashRun 10 256/' -i dstress.c
 echo
 echo "Running new test and storing result in $TARGETFILE ..."
 echo
+echo "Remember to make sure you have an up to date runtime!"
+echo
 
 if [ -z "$DMD" ] ; then
 	echo "Testing with llvmdc. Set DMD environment variable to select compiler."