do not replace LAR/SAR by AAR LOI/STI, when the descriptor is not available

diff --git a/util/ego/cs/cs_profit.c b/util/ego/cs/cs_profit.c
index f6c7fc9..8026b75 100644 (file)
--- a/util/ego/cs/cs_profit.c
+++ b/util/ego/cs/cs_profit.c
@@ -156,6 +156,7 @@ STATIC bool okay_lines(avp, ocp)
        occur_p ocp;
 {
        register line_p lnp, next;
+       offset sz;
 
        for (lnp = ocp->oc_lfirst; lnp != (line_p) 0; lnp = next) {
                next = lnp != ocp->oc_llast ? lnp->l_next : (line_p) 0;
@@ -175,7 +176,8 @@ STATIC bool okay_lines(avp, ocp)
         */
        if (INSTR(ocp->oc_llast) == op_lar || INSTR(ocp->oc_llast) == op_sar) {
                if (avp->av_instr == (byte) op_aar && time_space_ratio < 50) {
-                       return array_elemsize(avp->av_othird) <= AR_limit;
+                       return (sz = array_elemsize(avp->av_othird)) <= AR_limit &&
+                               sz != UNKNOWN_SIZE;
                }
        }
        return TRUE;