Remove terminated processes from expired clones

history.txt

@@ -2402,3 +2402,4 @@ ______
 141217
 ------
 * Objects, Store: Experimental “processes” count watcher (hidden in dev mode)
+* Threads: Remove terminated processes from expired clones

threads.js

@@ -83,7 +83,7 @@ ArgLabelMorph, localize, XML_Element, hex_sha512*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.threads = '2014-December-11';
+modules.threads = '2014-December-17';
 
 var ThreadManager;
 var Process;
@@ -234,7 +234,7 @@ ThreadManager.prototype.removeTerminatedProcesses = function () {
     // and un-highlight their scripts
     var remaining = [];
     this.processes.forEach(function (proc) {
-        if (!proc.isRunning() && !proc.errorFlag && !proc.isDead) {
+        if ((!proc.isRunning() && !proc.errorFlag) || proc.isDead) {
             if (proc.topBlock instanceof BlockMorph) {
                 proc.topBlock.removeHighlight();
             }