Redirect compiler output in combined testcases

test/run.bash

@@ -72,8 +72,8 @@ function check_combined {
         ofile=${file%.*}.o
         ofiles="$ofiles $ofile"
 
-        if $CIVCC $CGLAGS -o $asfile $file &&
-           $CIVAS -o $ofile $asfile
+        if $CIVCC $CGLAGS -o $asfile $file > /dev/null 2>&1 &&
+           $CIVAS -o $ofile $asfile 2>&1
         then
             compiled_files="$compiled_files `basename $file`"
         else