Follow-up to bug 513843. r=gal (via IRC).

js/src/nanojit/LIR.h

@@ -786,7 +786,8 @@ namespace nanojit
             return isGuard() || isBranch() ||
                    (isCall() && !isCse()) ||
                    isStore() ||
-                   isop(LIR_label) || isop(LIR_live) || isop(LIR_regfence) ||
+                   isop(LIR_label) || isop(LIR_live) || isop(LIR_flive) ||
+                   isop(LIR_regfence) ||
                    isRet();
         }